Home / 21,411,584.85-29,473,312.77-18,480,701.91

Finding the Fourth Proportional to 21,411,584.85, 29,473,312.77 and 18,480,701.91

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Solution

The fourth proportional to 21,411,584.85, 29,473,312.77 and 18,480,701.91 is: 25,438,915.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,411,584.85 : 29,473,312.77 = 18,480,701.91 : x
  2. Step 2: Convert to fraction form
    21,411,584.85/29,473,312.77 = 18,480,701.91/x
  3. Step 3: Cross multiply
    21,411,584.85x = 29,473,312.77 × 18,480,701.91
  4. Step 4: Simplify right side
    21,411,584.85x = 544,687,507,602,566.38
  5. Step 5: Solve for x
    x = 544,687,507,602,566.38/21,411,584.85
  6. Step 6: Final answer
    x = 25,438,915.96

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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.