Home / 31,854,004.20-47,792,816.10-12,698,508.60

Finding the Fourth Proportional to 31,854,004.20, 47,792,816.10 and 12,698,508.60

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Solution

The fourth proportional to 31,854,004.20, 47,792,816.10 and 12,698,508.60 is: 19,052,470.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,854,004.20 : 47,792,816.10 = 12,698,508.60 : x
  2. Step 2: Convert to fraction form
    31,854,004.20/47,792,816.10 = 12,698,508.60/x
  3. Step 3: Cross multiply
    31,854,004.20x = 47,792,816.10 × 12,698,508.60
  4. Step 4: Simplify right side
    31,854,004.20x = 606,897,486,264,068.50
  5. Step 5: Solve for x
    x = 606,897,486,264,068.50/31,854,004.20
  6. Step 6: Final answer
    x = 19,052,470.84

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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.