Home / 9,778,820.10-14,668,230.15-8,938,320.90

Finding the Fourth Proportional to 9,778,820.10, 14,668,230.15 and 8,938,320.90

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Solution

The fourth proportional to 9,778,820.10, 14,668,230.15 and 8,938,320.90 is: 13,407,481.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,778,820.10 : 14,668,230.15 = 8,938,320.90 : x
  2. Step 2: Convert to fraction form
    9,778,820.10/14,668,230.15 = 8,938,320.90/x
  3. Step 3: Cross multiply
    9,778,820.10x = 14,668,230.15 × 8,938,320.90
  4. Step 4: Simplify right side
    9,778,820.10x = 131,109,348,115,755.14
  5. Step 5: Solve for x
    x = 131,109,348,115,755.14/9,778,820.10
  6. Step 6: Final answer
    x = 13,407,481.35

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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.