Home / 12,098,726.70-18,148,090.05-10,902,000.30

Finding the Fourth Proportional to 12,098,726.70, 18,148,090.05 and 10,902,000.30

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Solution

The fourth proportional to 12,098,726.70, 18,148,090.05 and 10,902,000.30 is: 16,353,000.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,098,726.70 : 18,148,090.05 = 10,902,000.30 : x
  2. Step 2: Convert to fraction form
    12,098,726.70/18,148,090.05 = 10,902,000.30/x
  3. Step 3: Cross multiply
    12,098,726.70x = 18,148,090.05 × 10,902,000.30
  4. Step 4: Simplify right side
    12,098,726.70x = 197,850,483,169,527.03
  5. Step 5: Solve for x
    x = 197,850,483,169,527.03/12,098,726.70
  6. Step 6: Final answer
    x = 16,353,000.45

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.