Home / 39,420,425.04-59,130,783.09-12,126,528.78

Finding the Fourth Proportional to 39,420,425.04, 59,130,783.09 and 12,126,528.78

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Solution

The fourth proportional to 39,420,425.04, 59,130,783.09 and 12,126,528.78 is: 18,189,837.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,420,425.04 : 59,130,783.09 = 12,126,528.78 : x
  2. Step 2: Convert to fraction form
    39,420,425.04/59,130,783.09 = 12,126,528.78/x
  3. Step 3: Cross multiply
    39,420,425.04x = 59,130,783.09 × 12,126,528.78
  4. Step 4: Simplify right side
    39,420,425.04x = 717,051,142,924,822.38
  5. Step 5: Solve for x
    x = 717,051,142,924,822.38/39,420,425.04
  6. Step 6: Final answer
    x = 18,189,837.94

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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.