Home / 30,377,740.86-45,548,158.41-11,911,561.65

Finding the Fourth Proportional to 30,377,740.86, 45,548,158.41 and 11,911,561.65

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Solution

The fourth proportional to 30,377,740.86, 45,548,158.41 and 11,911,561.65 is: 17,860,106.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,377,740.86 : 45,548,158.41 = 11,911,561.65 : x
  2. Step 2: Convert to fraction form
    30,377,740.86/45,548,158.41 = 11,911,561.65/x
  3. Step 3: Cross multiply
    30,377,740.86x = 45,548,158.41 × 11,911,561.65
  4. Step 4: Simplify right side
    30,377,740.86x = 542,549,696,944,680.94
  5. Step 5: Solve for x
    x = 542,549,696,944,680.94/30,377,740.86
  6. Step 6: Final answer
    x = 17,860,106.83

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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.