Home / 13,642,630.70-20,466,789.15-4,547,553.80

Finding the Fourth Proportional to 13,642,630.70, 20,466,789.15 and 4,547,553.80

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Solution

The fourth proportional to 13,642,630.70, 20,466,789.15 and 4,547,553.80 is: 6,822,278.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,642,630.70 : 20,466,789.15 = 4,547,553.80 : x
  2. Step 2: Convert to fraction form
    13,642,630.70/20,466,789.15 = 4,547,553.80/x
  3. Step 3: Cross multiply
    13,642,630.70x = 20,466,789.15 × 4,547,553.80
  4. Step 4: Simplify right side
    13,642,630.70x = 93,073,824,772,881.27
  5. Step 5: Solve for x
    x = 93,073,824,772,881.27/13,642,630.70
  6. Step 6: Final answer
    x = 6,822,278.40

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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.