Home / 28,361,872.16-39,157,484.90-23,147,337.18

Finding the Fourth Proportional to 28,361,872.16, 39,157,484.90 and 23,147,337.18

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Solution

The fourth proportional to 28,361,872.16, 39,157,484.90 and 23,147,337.18 is: 31,958,098.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,361,872.16 : 39,157,484.90 = 23,147,337.18 : x
  2. Step 2: Convert to fraction form
    28,361,872.16/39,157,484.90 = 23,147,337.18/x
  3. Step 3: Cross multiply
    28,361,872.16x = 39,157,484.90 × 23,147,337.18
  4. Step 4: Simplify right side
    28,361,872.16x = 906,391,506,101,058.50
  5. Step 5: Solve for x
    x = 906,391,506,101,058.50/28,361,872.16
  6. Step 6: Final answer
    x = 31,958,098.57

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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.