Home / 30,711,303.80-42,381,847.18-16,960,267.92

Finding the Fourth Proportional to 30,711,303.80, 42,381,847.18 and 16,960,267.92

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Solution

The fourth proportional to 30,711,303.80, 42,381,847.18 and 16,960,267.92 is: 23,405,306.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,711,303.80 : 42,381,847.18 = 16,960,267.92 : x
  2. Step 2: Convert to fraction form
    30,711,303.80/42,381,847.18 = 16,960,267.92/x
  3. Step 3: Cross multiply
    30,711,303.80x = 42,381,847.18 × 16,960,267.92
  4. Step 4: Simplify right side
    30,711,303.80x = 718,807,483,297,428.62
  5. Step 5: Solve for x
    x = 718,807,483,297,428.62/30,711,303.80
  6. Step 6: Final answer
    x = 23,405,306.66

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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.