Home / 15,527,067.04-21,427,066.80-8,651,401.12

Finding the Fourth Proportional to 15,527,067.04, 21,427,066.80 and 8,651,401.12

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Solution

The fourth proportional to 15,527,067.04, 21,427,066.80 and 8,651,401.12 is: 11,938,774.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,527,067.04 : 21,427,066.80 = 8,651,401.12 : x
  2. Step 2: Convert to fraction form
    15,527,067.04/21,427,066.80 = 8,651,401.12/x
  3. Step 3: Cross multiply
    15,527,067.04x = 21,427,066.80 × 8,651,401.12
  4. Step 4: Simplify right side
    15,527,067.04x = 185,374,149,711,834.81
  5. Step 5: Solve for x
    x = 185,374,149,711,834.81/15,527,067.04
  6. Step 6: Final answer
    x = 11,938,774.35

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Double scale
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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.