Home / 21,445,542.76-29,595,148.88-11,655,984

Finding the Fourth Proportional to 21,445,542.76, 29,595,148.88 and 11,655,984

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Solution

The fourth proportional to 21,445,542.76, 29,595,148.88 and 11,655,984 is: 16,085,420.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,445,542.76 : 29,595,148.88 = 11,655,984 : x
  2. Step 2: Convert to fraction form
    21,445,542.76/29,595,148.88 = 11,655,984/x
  3. Step 3: Cross multiply
    21,445,542.76x = 29,595,148.88 × 11,655,984
  4. Step 4: Simplify right side
    21,445,542.76x = 344,960,581,822,897.94
  5. Step 5: Solve for x
    x = 344,960,581,822,897.94/21,445,542.76
  6. Step 6: Final answer
    x = 16,085,420.90

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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.