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Finding the Fourth Proportional to 14,947,916.40, 22,386,445.20 and 14,947,916.40

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Solution

The fourth proportional to 14,947,916.40, 22,386,445.20 and 14,947,916.40 is: 22,386,445.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,947,916.40 : 22,386,445.20 = 14,947,916.40 : x
  2. Step 2: Convert to fraction form
    14,947,916.40/22,386,445.20 = 14,947,916.40/x
  3. Step 3: Cross multiply
    14,947,916.40x = 22,386,445.20 × 14,947,916.40
  4. Step 4: Simplify right side
    14,947,916.40x = 334,630,711,342,781.25
  5. Step 5: Solve for x
    x = 334,630,711,342,781.25/14,947,916.40
  6. Step 6: Final answer
    x = 22,386,445.20

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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.