Home / 15,778,863.40-23,668,295.10-15,141,134.20

Finding the Fourth Proportional to 15,778,863.40, 23,668,295.10 and 15,141,134.20

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Solution

The fourth proportional to 15,778,863.40, 23,668,295.10 and 15,141,134.20 is: 22,711,701.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,778,863.40 : 23,668,295.10 = 15,141,134.20 : x
  2. Step 2: Convert to fraction form
    15,778,863.40/23,668,295.10 = 15,141,134.20/x
  3. Step 3: Cross multiply
    15,778,863.40x = 23,668,295.10 × 15,141,134.20
  4. Step 4: Simplify right side
    15,778,863.40x = 358,364,832,394,302.44
  5. Step 5: Solve for x
    x = 358,364,832,394,302.44/15,778,863.40
  6. Step 6: Final answer
    x = 22,711,701.30

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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.