Home / 39,138,220.80-58,707,331.20-10,771,372.80

Finding the Fourth Proportional to 39,138,220.80, 58,707,331.20 and 10,771,372.80

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Solution

The fourth proportional to 39,138,220.80, 58,707,331.20 and 10,771,372.80 is: 16,157,059.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,138,220.80 : 58,707,331.20 = 10,771,372.80 : x
  2. Step 2: Convert to fraction form
    39,138,220.80/58,707,331.20 = 10,771,372.80/x
  3. Step 3: Cross multiply
    39,138,220.80x = 58,707,331.20 × 10,771,372.80
  4. Step 4: Simplify right side
    39,138,220.80x = 632,358,550,448,271.38
  5. Step 5: Solve for x
    x = 632,358,550,448,271.38/39,138,220.80
  6. Step 6: Final answer
    x = 16,157,059.20

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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.