Home / 9,778,834.60-14,668,251.90-8,938,335.40

Finding the Fourth Proportional to 9,778,834.60, 14,668,251.90 and 8,938,335.40

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Solution

The fourth proportional to 9,778,834.60, 14,668,251.90 and 8,938,335.40 is: 13,407,503.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,778,834.60 : 14,668,251.90 = 8,938,335.40 : x
  2. Step 2: Convert to fraction form
    9,778,834.60/14,668,251.90 = 8,938,335.40/x
  3. Step 3: Cross multiply
    9,778,834.60x = 14,668,251.90 × 8,938,335.40
  4. Step 4: Simplify right side
    9,778,834.60x = 131,109,755,213,887.27
  5. Step 5: Solve for x
    x = 131,109,755,213,887.27/9,778,834.60
  6. Step 6: Final answer
    x = 13,407,503.10

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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.