Home / 15,763,946.70-23,645,920.05-8,572,701.90

Finding the Fourth Proportional to 15,763,946.70, 23,645,920.05 and 8,572,701.90

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Solution

The fourth proportional to 15,763,946.70, 23,645,920.05 and 8,572,701.90 is: 12,859,052.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,763,946.70 : 23,645,920.05 = 8,572,701.90 : x
  2. Step 2: Convert to fraction form
    15,763,946.70/23,645,920.05 = 8,572,701.90/x
  3. Step 3: Cross multiply
    15,763,946.70x = 23,645,920.05 × 8,572,701.90
  4. Step 4: Simplify right side
    15,763,946.70x = 202,709,423,739,883.12
  5. Step 5: Solve for x
    x = 202,709,423,739,883.12/15,763,946.70
  6. Step 6: Final answer
    x = 12,859,052.85

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.