Home / 9,998,948.40-13,793,023.92-8,140,363.20

Finding the Fourth Proportional to 9,998,948.40, 13,793,023.92 and 8,140,363.20

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Solution

The fourth proportional to 9,998,948.40, 13,793,023.92 and 8,140,363.20 is: 11,229,203.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,998,948.40 : 13,793,023.92 = 8,140,363.20 : x
  2. Step 2: Convert to fraction form
    9,998,948.40/13,793,023.92 = 8,140,363.20/x
  3. Step 3: Cross multiply
    9,998,948.40x = 13,793,023.92 × 8,140,363.20
  4. Step 4: Simplify right side
    9,998,948.40x = 112,280,224,335,087.75
  5. Step 5: Solve for x
    x = 112,280,224,335,087.75/9,998,948.40
  6. Step 6: Final answer
    x = 11,229,203.30

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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.