Home / 10,369,990.45-15,554,985.68-9,740,134.45

Finding the Fourth Proportional to 10,369,990.45, 15,554,985.68 and 9,740,134.45

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Solution

The fourth proportional to 10,369,990.45, 15,554,985.68 and 9,740,134.45 is: 14,610,201.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,369,990.45 : 15,554,985.68 = 9,740,134.45 : x
  2. Step 2: Convert to fraction form
    10,369,990.45/15,554,985.68 = 9,740,134.45/x
  3. Step 3: Cross multiply
    10,369,990.45x = 15,554,985.68 × 9,740,134.45
  4. Step 4: Simplify right side
    10,369,990.45x = 151,507,651,891,024.66
  5. Step 5: Solve for x
    x = 151,507,651,891,024.66/10,369,990.45
  6. Step 6: Final answer
    x = 14,610,201.68

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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.