Home / 21,581,363.20-32,372,044.80-14,778,918.40

Finding the Fourth Proportional to 21,581,363.20, 32,372,044.80 and 14,778,918.40

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Solution

The fourth proportional to 21,581,363.20, 32,372,044.80 and 14,778,918.40 is: 22,168,377.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,581,363.20 : 32,372,044.80 = 14,778,918.40 : x
  2. Step 2: Convert to fraction form
    21,581,363.20/32,372,044.80 = 14,778,918.40/x
  3. Step 3: Cross multiply
    21,581,363.20x = 32,372,044.80 × 14,778,918.40
  4. Step 4: Simplify right side
    21,581,363.20x = 478,423,808,540,344.31
  5. Step 5: Solve for x
    x = 478,423,808,540,344.31/21,581,363.20
  6. Step 6: Final answer
    x = 22,168,377.60

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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.