Home / 8,748,990.30-13,123,485.45-3,430,206.30

Finding the Fourth Proportional to 8,748,990.30, 13,123,485.45 and 3,430,206.30

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Solution

The fourth proportional to 8,748,990.30, 13,123,485.45 and 3,430,206.30 is: 5,145,309.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,748,990.30 : 13,123,485.45 = 3,430,206.30 : x
  2. Step 2: Convert to fraction form
    8,748,990.30/13,123,485.45 = 3,430,206.30/x
  3. Step 3: Cross multiply
    8,748,990.30x = 13,123,485.45 × 3,430,206.30
  4. Step 4: Simplify right side
    8,748,990.30x = 45,016,262,468,548.33
  5. Step 5: Solve for x
    x = 45,016,262,468,548.33/8,748,990.30
  6. Step 6: Final answer
    x = 5,145,309.45

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Double scale
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Similar ratio
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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.