Home / 9,285,321.90-13,938,480.45-7,164,806.70

Finding the Fourth Proportional to 9,285,321.90, 13,938,480.45 and 7,164,806.70

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Solution

The fourth proportional to 9,285,321.90, 13,938,480.45 and 7,164,806.70 is: 10,755,310.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,285,321.90 : 13,938,480.45 = 7,164,806.70 : x
  2. Step 2: Convert to fraction form
    9,285,321.90/13,938,480.45 = 7,164,806.70/x
  3. Step 3: Cross multiply
    9,285,321.90x = 13,938,480.45 × 7,164,806.70
  4. Step 4: Simplify right side
    9,285,321.90x = 99,866,518,115,979.02
  5. Step 5: Solve for x
    x = 99,866,518,115,979.02/9,285,321.90
  6. Step 6: Final answer
    x = 10,755,310.28

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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.