Home / 21,063,123.20-29,528,185.60-21,063,123.20

Finding the Fourth Proportional to 21,063,123.20, 29,528,185.60 and 21,063,123.20

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Solution

The fourth proportional to 21,063,123.20, 29,528,185.60 and 21,063,123.20 is: 29,528,185.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,063,123.20 : 29,528,185.60 = 21,063,123.20 : x
  2. Step 2: Convert to fraction form
    21,063,123.20/29,528,185.60 = 21,063,123.20/x
  3. Step 3: Cross multiply
    21,063,123.20x = 29,528,185.60 × 21,063,123.20
  4. Step 4: Simplify right side
    21,063,123.20x = 621,955,811,165,265.88
  5. Step 5: Solve for x
    x = 621,955,811,165,265.88/21,063,123.20
  6. Step 6: Final answer
    x = 29,528,185.60

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.