Home / 18,133,320.10-27,176,360.55-7,341,787.30

Finding the Fourth Proportional to 18,133,320.10, 27,176,360.55 and 7,341,787.30

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Solution

The fourth proportional to 18,133,320.10, 27,176,360.55 and 7,341,787.30 is: 11,003,117.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,133,320.10 : 27,176,360.55 = 7,341,787.30 : x
  2. Step 2: Convert to fraction form
    18,133,320.10/27,176,360.55 = 7,341,787.30/x
  3. Step 3: Cross multiply
    18,133,320.10x = 27,176,360.55 × 7,341,787.30
  4. Step 4: Simplify right side
    18,133,320.10x = 199,523,058,746,211
  5. Step 5: Solve for x
    x = 199,523,058,746,211/18,133,320.10
  6. Step 6: Final answer
    x = 11,003,117.89

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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.