Home / 21,445,550.76-29,595,159.90-11,655,992.04

Finding the Fourth Proportional to 21,445,550.76, 29,595,159.90 and 11,655,992.04

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Solution

The fourth proportional to 21,445,550.76, 29,595,159.90 and 11,655,992.04 is: 16,085,431.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,445,550.76 : 29,595,159.90 = 11,655,992.04 : x
  2. Step 2: Convert to fraction form
    21,445,550.76/29,595,159.90 = 11,655,992.04/x
  3. Step 3: Cross multiply
    21,445,550.76x = 29,595,159.90 × 11,655,992.04
  4. Step 4: Simplify right side
    21,445,550.76x = 344,960,948,216,927.12
  5. Step 5: Solve for x
    x = 344,960,948,216,927.12/21,445,550.76
  6. Step 6: Final answer
    x = 16,085,431.99

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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.