Home / 28,865,548.17-39,834,139.41-15,634,395.90

Finding the Fourth Proportional to 28,865,548.17, 39,834,139.41 and 15,634,395.90

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Solution

The fourth proportional to 28,865,548.17, 39,834,139.41 and 15,634,395.90 is: 21,575,294.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,865,548.17 : 39,834,139.41 = 15,634,395.90 : x
  2. Step 2: Convert to fraction form
    28,865,548.17/39,834,139.41 = 15,634,395.90/x
  3. Step 3: Cross multiply
    28,865,548.17x = 39,834,139.41 × 15,634,395.90
  4. Step 4: Simplify right side
    28,865,548.17x = 622,782,705,871,732.38
  5. Step 5: Solve for x
    x = 622,782,705,871,732.38/28,865,548.17
  6. Step 6: Final answer
    x = 21,575,294.61

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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.