Home / 28,974,444.90-39,985,052.22-15,921,707.19

Finding the Fourth Proportional to 28,974,444.90, 39,985,052.22 and 15,921,707.19

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Solution

The fourth proportional to 28,974,444.90, 39,985,052.22 and 15,921,707.19 is: 21,972,130.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,974,444.90 : 39,985,052.22 = 15,921,707.19 : x
  2. Step 2: Convert to fraction form
    28,974,444.90/39,985,052.22 = 15,921,707.19/x
  3. Step 3: Cross multiply
    28,974,444.90x = 39,985,052.22 × 15,921,707.19
  4. Step 4: Simplify right side
    28,974,444.90x = 636,630,293,273,755.50
  5. Step 5: Solve for x
    x = 636,630,293,273,755.50/28,974,444.90
  6. Step 6: Final answer
    x = 21,972,130.81

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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.