Home / 8,000,742.10-11,041,023.70-4,329,658.78

Finding the Fourth Proportional to 8,000,742.10, 11,041,023.70 and 4,329,658.78

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Solution

The fourth proportional to 8,000,742.10, 11,041,023.70 and 4,329,658.78 is: 5,974,928.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,000,742.10 : 11,041,023.70 = 4,329,658.78 : x
  2. Step 2: Convert to fraction form
    8,000,742.10/11,041,023.70 = 4,329,658.78/x
  3. Step 3: Cross multiply
    8,000,742.10x = 11,041,023.70 × 4,329,658.78
  4. Step 4: Simplify right side
    8,000,742.10x = 47,803,865,202,893.09
  5. Step 5: Solve for x
    x = 47,803,865,202,893.09/8,000,742.10
  6. Step 6: Final answer
    x = 5,974,928.90

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1.5x scale

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.