Home / 21,875,425.80-32,813,138.70-21,556,561.20

Finding the Fourth Proportional to 21,875,425.80, 32,813,138.70 and 21,556,561.20

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Solution

The fourth proportional to 21,875,425.80, 32,813,138.70 and 21,556,561.20 is: 32,334,841.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,875,425.80 : 32,813,138.70 = 21,556,561.20 : x
  2. Step 2: Convert to fraction form
    21,875,425.80/32,813,138.70 = 21,556,561.20/x
  3. Step 3: Cross multiply
    21,875,425.80x = 32,813,138.70 × 21,556,561.20
  4. Step 4: Simplify right side
    21,875,425.80x = 707,338,432,550,638.38
  5. Step 5: Solve for x
    x = 707,338,432,550,638.38/21,875,425.80
  6. Step 6: Final answer
    x = 32,334,841.80

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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.