Home / 27,160,325.48-40,758,436.67-12,787,503.63

Finding the Fourth Proportional to 27,160,325.48, 40,758,436.67 and 12,787,503.63

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Solution

The fourth proportional to 27,160,325.48, 40,758,436.67 and 12,787,503.63 is: 19,189,705.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,160,325.48 : 40,758,436.67 = 12,787,503.63 : x
  2. Step 2: Convert to fraction form
    27,160,325.48/40,758,436.67 = 12,787,503.63/x
  3. Step 3: Cross multiply
    27,160,325.48x = 40,758,436.67 × 12,787,503.63
  4. Step 4: Simplify right side
    27,160,325.48x = 521,198,656,806,812.62
  5. Step 5: Solve for x
    x = 521,198,656,806,812.62/27,160,325.48
  6. Step 6: Final answer
    x = 19,189,705.86

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1.5x scale

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.