Home / 10,427,230.40-15,640,845.60-8,852,590.40

Finding the Fourth Proportional to 10,427,230.40, 15,640,845.60 and 8,852,590.40

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Solution

The fourth proportional to 10,427,230.40, 15,640,845.60 and 8,852,590.40 is: 13,278,885.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,427,230.40 : 15,640,845.60 = 8,852,590.40 : x
  2. Step 2: Convert to fraction form
    10,427,230.40/15,640,845.60 = 8,852,590.40/x
  3. Step 3: Cross multiply
    10,427,230.40x = 15,640,845.60 × 8,852,590.40
  4. Step 4: Simplify right side
    10,427,230.40x = 138,461,999,606,442.25
  5. Step 5: Solve for x
    x = 138,461,999,606,442.25/10,427,230.40
  6. Step 6: Final answer
    x = 13,278,885.60

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Similar ratio
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1.5x scale

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.