Home / 7,477,677.30-11,190,711.15-4,488,006.90

Finding the Fourth Proportional to 7,477,677.30, 11,190,711.15 and 4,488,006.90

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Solution

The fourth proportional to 7,477,677.30, 11,190,711.15 and 4,488,006.90 is: 6,716,522.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,477,677.30 : 11,190,711.15 = 4,488,006.90 : x
  2. Step 2: Convert to fraction form
    7,477,677.30/11,190,711.15 = 4,488,006.90/x
  3. Step 3: Cross multiply
    7,477,677.30x = 11,190,711.15 × 4,488,006.90
  4. Step 4: Simplify right side
    7,477,677.30x = 50,223,988,857,106.94
  5. Step 5: Solve for x
    x = 50,223,988,857,106.94/7,477,677.30
  6. Step 6: Final answer
    x = 6,716,522.64

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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.