Home / 21,513,415.80-32,270,123.70-21,387,444.60

Finding the Fourth Proportional to 21,513,415.80, 32,270,123.70 and 21,387,444.60

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Solution

The fourth proportional to 21,513,415.80, 32,270,123.70 and 21,387,444.60 is: 32,081,166.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,513,415.80 : 32,270,123.70 = 21,387,444.60 : x
  2. Step 2: Convert to fraction form
    21,513,415.80/32,270,123.70 = 21,387,444.60/x
  3. Step 3: Cross multiply
    21,513,415.80x = 32,270,123.70 × 21,387,444.60
  4. Step 4: Simplify right side
    21,513,415.80x = 690,175,482,868,897
  5. Step 5: Solve for x
    x = 690,175,482,868,897/21,513,415.80
  6. Step 6: Final answer
    x = 32,081,166.90

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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.