Home / 52,956,721.80-79,435,082.70-18,865,765.80

Finding the Fourth Proportional to 52,956,721.80, 79,435,082.70 and 18,865,765.80

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Solution

The fourth proportional to 52,956,721.80, 79,435,082.70 and 18,865,765.80 is: 28,298,648.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,956,721.80 : 79,435,082.70 = 18,865,765.80 : x
  2. Step 2: Convert to fraction form
    52,956,721.80/79,435,082.70 = 18,865,765.80/x
  3. Step 3: Cross multiply
    52,956,721.80x = 79,435,082.70 × 18,865,765.80
  4. Step 4: Simplify right side
    52,956,721.80x = 1,498,603,666,521,831.75
  5. Step 5: Solve for x
    x = 1,498,603,666,521,831.75/52,956,721.80
  6. Step 6: Final answer
    x = 28,298,648.70

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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.