Home / 7,368,124.89-11,000,380.25-5,629,897.56

Finding the Fourth Proportional to 7,368,124.89, 11,000,380.25 and 5,629,897.56

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Solution

The fourth proportional to 7,368,124.89, 11,000,380.25 and 5,629,897.56 is: 8,405,261.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,368,124.89 : 11,000,380.25 = 5,629,897.56 : x
  2. Step 2: Convert to fraction form
    7,368,124.89/11,000,380.25 = 5,629,897.56/x
  3. Step 3: Cross multiply
    7,368,124.89x = 11,000,380.25 × 5,629,897.56
  4. Step 4: Simplify right side
    7,368,124.89x = 61,931,013,900,397.70
  5. Step 5: Solve for x
    x = 61,931,013,900,397.70/7,368,124.89
  6. Step 6: Final answer
    x = 8,405,261.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.