Home / 42,554,596.90-63,789,904.95-20,971,531.30

Finding the Fourth Proportional to 42,554,596.90, 63,789,904.95 and 20,971,531.30

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Solution

The fourth proportional to 42,554,596.90, 63,789,904.95 and 20,971,531.30 is: 31,436,603.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,554,596.90 : 63,789,904.95 = 20,971,531.30 : x
  2. Step 2: Convert to fraction form
    42,554,596.90/63,789,904.95 = 20,971,531.30/x
  3. Step 3: Cross multiply
    42,554,596.90x = 63,789,904.95 × 20,971,531.30
  4. Step 4: Simplify right side
    42,554,596.90x = 1,337,771,988,282,950
  5. Step 5: Solve for x
    x = 1,337,771,988,282,950/42,554,596.90
  6. Step 6: Final answer
    x = 31,436,603.46

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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.