Home / 28,700,233.18-39,596,385.72-18,392,639.74

Finding the Fourth Proportional to 28,700,233.18, 39,596,385.72 and 18,392,639.74

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Solution

The fourth proportional to 28,700,233.18, 39,596,385.72 and 18,392,639.74 is: 25,375,475.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,700,233.18 : 39,596,385.72 = 18,392,639.74 : x
  2. Step 2: Convert to fraction form
    28,700,233.18/39,596,385.72 = 18,392,639.74/x
  3. Step 3: Cross multiply
    28,700,233.18x = 39,596,385.72 × 18,392,639.74
  4. Step 4: Simplify right side
    28,700,233.18x = 728,282,057,554,040.38
  5. Step 5: Solve for x
    x = 728,282,057,554,040.38/28,700,233.18
  6. Step 6: Final answer
    x = 25,375,475.28

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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.