Home / 7,116,758.18-10,671,045.15-2,191,512.50

Finding the Fourth Proportional to 7,116,758.18, 10,671,045.15 and 2,191,512.50

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Solution

The fourth proportional to 7,116,758.18, 10,671,045.15 and 2,191,512.50 is: 3,286,008.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,116,758.18 : 10,671,045.15 = 2,191,512.50 : x
  2. Step 2: Convert to fraction form
    7,116,758.18/10,671,045.15 = 2,191,512.50/x
  3. Step 3: Cross multiply
    7,116,758.18x = 10,671,045.15 × 2,191,512.50
  4. Step 4: Simplify right side
    7,116,758.18x = 23,385,728,834,289.38
  5. Step 5: Solve for x
    x = 23,385,728,834,289.38/7,116,758.18
  6. Step 6: Final answer
    x = 3,286,008.64

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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.