Home / 20,173,888.50-27,820,545.57-13,573,347.54

Finding the Fourth Proportional to 20,173,888.50, 27,820,545.57 and 13,573,347.54

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Solution

The fourth proportional to 20,173,888.50, 27,820,545.57 and 13,573,347.54 is: 18,718,153.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,173,888.50 : 27,820,545.57 = 13,573,347.54 : x
  2. Step 2: Convert to fraction form
    20,173,888.50/27,820,545.57 = 13,573,347.54/x
  3. Step 3: Cross multiply
    20,173,888.50x = 27,820,545.57 × 13,573,347.54
  4. Step 4: Simplify right side
    20,173,888.50x = 377,617,933,774,017.38
  5. Step 5: Solve for x
    x = 377,617,933,774,017.38/20,173,888.50
  6. Step 6: Final answer
    x = 18,718,153.11

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1.5x scale

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.