Home / 31,417,962.40-47,126,943.60-16,301,418.40

Finding the Fourth Proportional to 31,417,962.40, 47,126,943.60 and 16,301,418.40

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Solution

The fourth proportional to 31,417,962.40, 47,126,943.60 and 16,301,418.40 is: 24,452,127.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,417,962.40 : 47,126,943.60 = 16,301,418.40 : x
  2. Step 2: Convert to fraction form
    31,417,962.40/47,126,943.60 = 16,301,418.40/x
  3. Step 3: Cross multiply
    31,417,962.40x = 47,126,943.60 × 16,301,418.40
  4. Step 4: Simplify right side
    31,417,962.40x = 768,236,025,536,802.25
  5. Step 5: Solve for x
    x = 768,236,025,536,802.25/31,417,962.40
  6. Step 6: Final answer
    x = 24,452,127.60

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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.