Home / 25,014,031.71-34,540,907.09-15,737,064.72

Finding the Fourth Proportional to 25,014,031.71, 34,540,907.09 and 15,737,064.72

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Solution

The fourth proportional to 25,014,031.71, 34,540,907.09 and 15,737,064.72 is: 21,730,702.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,014,031.71 : 34,540,907.09 = 15,737,064.72 : x
  2. Step 2: Convert to fraction form
    25,014,031.71/34,540,907.09 = 15,737,064.72/x
  3. Step 3: Cross multiply
    25,014,031.71x = 34,540,907.09 × 15,737,064.72
  4. Step 4: Simplify right side
    25,014,031.71x = 543,572,490,284,151.56
  5. Step 5: Solve for x
    x = 543,572,490,284,151.56/25,014,031.71
  6. Step 6: Final answer
    x = 21,730,702.85

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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.