Home / 39,420,438.04-59,130,802.59-12,126,541.78

Finding the Fourth Proportional to 39,420,438.04, 59,130,802.59 and 12,126,541.78

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Solution

The fourth proportional to 39,420,438.04, 59,130,802.59 and 12,126,541.78 is: 18,189,857.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,420,438.04 : 59,130,802.59 = 12,126,541.78 : x
  2. Step 2: Convert to fraction form
    39,420,438.04/59,130,802.59 = 12,126,541.78/x
  3. Step 3: Cross multiply
    39,420,438.04x = 59,130,802.59 × 12,126,541.78
  4. Step 4: Simplify right side
    39,420,438.04x = 717,052,148,092,567.25
  5. Step 5: Solve for x
    x = 717,052,148,092,567.25/39,420,438.04
  6. Step 6: Final answer
    x = 18,189,857.44

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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.