Home / 14,681,386.60-20,259,627.78-8,155,436.20

Finding the Fourth Proportional to 14,681,386.60, 20,259,627.78 and 8,155,436.20

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Solution

The fourth proportional to 14,681,386.60, 20,259,627.78 and 8,155,436.20 is: 11,254,121.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,681,386.60 : 20,259,627.78 = 8,155,436.20 : x
  2. Step 2: Convert to fraction form
    14,681,386.60/20,259,627.78 = 8,155,436.20/x
  3. Step 3: Cross multiply
    14,681,386.60x = 20,259,627.78 × 8,155,436.20
  4. Step 4: Simplify right side
    14,681,386.60x = 165,226,101,795,537.66
  5. Step 5: Solve for x
    x = 165,226,101,795,537.66/14,681,386.60
  6. Step 6: Final answer
    x = 11,254,121.04

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.