Home / 39,151,406.40-58,727,109.60-10,401,979.20

Finding the Fourth Proportional to 39,151,406.40, 58,727,109.60 and 10,401,979.20

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Solution

The fourth proportional to 39,151,406.40, 58,727,109.60 and 10,401,979.20 is: 15,602,968.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,151,406.40 : 58,727,109.60 = 10,401,979.20 : x
  2. Step 2: Convert to fraction form
    39,151,406.40/58,727,109.60 = 10,401,979.20/x
  3. Step 3: Cross multiply
    39,151,406.40x = 58,727,109.60 × 10,401,979.20
  4. Step 4: Simplify right side
    39,151,406.40x = 610,878,172,535,320.25
  5. Step 5: Solve for x
    x = 610,878,172,535,320.25/39,151,406.40
  6. Step 6: Final answer
    x = 15,602,968.80

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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.