Home / 7,013,381.60-10,520,072.40-6,588,228.80

Finding the Fourth Proportional to 7,013,381.60, 10,520,072.40 and 6,588,228.80

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Solution

The fourth proportional to 7,013,381.60, 10,520,072.40 and 6,588,228.80 is: 9,882,343.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,013,381.60 : 10,520,072.40 = 6,588,228.80 : x
  2. Step 2: Convert to fraction form
    7,013,381.60/10,520,072.40 = 6,588,228.80/x
  3. Step 3: Cross multiply
    7,013,381.60x = 10,520,072.40 × 6,588,228.80
  4. Step 4: Simplify right side
    7,013,381.60x = 69,308,643,963,765.12
  5. Step 5: Solve for x
    x = 69,308,643,963,765.12/7,013,381.60
  6. Step 6: Final answer
    x = 9,882,343.20

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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.