Home / 18,671,363.10-28,007,044.65-17,236,472.40

Finding the Fourth Proportional to 18,671,363.10, 28,007,044.65 and 17,236,472.40

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Solution

The fourth proportional to 18,671,363.10, 28,007,044.65 and 17,236,472.40 is: 25,854,708.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,671,363.10 : 28,007,044.65 = 17,236,472.40 : x
  2. Step 2: Convert to fraction form
    18,671,363.10/28,007,044.65 = 17,236,472.40/x
  3. Step 3: Cross multiply
    18,671,363.10x = 28,007,044.65 × 17,236,472.40
  4. Step 4: Simplify right side
    18,671,363.10x = 482,742,652,115,292.56
  5. Step 5: Solve for x
    x = 482,742,652,115,292.56/18,671,363.10
  6. Step 6: Final answer
    x = 25,854,708.60

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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.