Home / 15,787,044.34-21,785,469.73-8,817,689.76

Finding the Fourth Proportional to 15,787,044.34, 21,785,469.73 and 8,817,689.76

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Solution

The fourth proportional to 15,787,044.34, 21,785,469.73 and 8,817,689.76 is: 12,168,048.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,787,044.34 : 21,785,469.73 = 8,817,689.76 : x
  2. Step 2: Convert to fraction form
    15,787,044.34/21,785,469.73 = 8,817,689.76/x
  3. Step 3: Cross multiply
    15,787,044.34x = 21,785,469.73 × 8,817,689.76
  4. Step 4: Simplify right side
    15,787,044.34x = 192,097,513,355,010.97
  5. Step 5: Solve for x
    x = 192,097,513,355,010.97/15,787,044.34
  6. Step 6: Final answer
    x = 12,168,048.00

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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.