Home / 39,151,428.40-58,727,142.60-10,402,001.20

Finding the Fourth Proportional to 39,151,428.40, 58,727,142.60 and 10,402,001.20

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Solution

The fourth proportional to 39,151,428.40, 58,727,142.60 and 10,402,001.20 is: 15,603,001.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,151,428.40 : 58,727,142.60 = 10,402,001.20 : x
  2. Step 2: Convert to fraction form
    39,151,428.40/58,727,142.60 = 10,402,001.20/x
  3. Step 3: Cross multiply
    39,151,428.40x = 58,727,142.60 × 10,402,001.20
  4. Step 4: Simplify right side
    39,151,428.40x = 610,879,807,797,771.12
  5. Step 5: Solve for x
    x = 610,879,807,797,771.12/39,151,428.40
  6. Step 6: Final answer
    x = 15,603,001.80

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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.