Home / 28,985,432.46-39,999,661-15,932,552.59

Finding the Fourth Proportional to 28,985,432.46, 39,999,661 and 15,932,552.59

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Solution

The fourth proportional to 28,985,432.46, 39,999,661 and 15,932,552.59 is: 21,986,792.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,985,432.46 : 39,999,661 = 15,932,552.59 : x
  2. Step 2: Convert to fraction form
    28,985,432.46/39,999,661 = 15,932,552.59/x
  3. Step 3: Cross multiply
    28,985,432.46x = 39,999,661 × 15,932,552.59
  4. Step 4: Simplify right side
    28,985,432.46x = 637,296,702,464,672
  5. Step 5: Solve for x
    x = 637,296,702,464,672/28,985,432.46
  6. Step 6: Final answer
    x = 21,986,792.96

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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.