Home / 10,218,103.02-15,327,153.32-7,013,513.79

Finding the Fourth Proportional to 10,218,103.02, 15,327,153.32 and 7,013,513.79

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Solution

The fourth proportional to 10,218,103.02, 15,327,153.32 and 7,013,513.79 is: 10,520,269.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,218,103.02 : 15,327,153.32 = 7,013,513.79 : x
  2. Step 2: Convert to fraction form
    10,218,103.02/15,327,153.32 = 7,013,513.79/x
  3. Step 3: Cross multiply
    10,218,103.02x = 15,327,153.32 × 7,013,513.79
  4. Step 4: Simplify right side
    10,218,103.02x = 107,497,201,136,196.70
  5. Step 5: Solve for x
    x = 107,497,201,136,196.70/10,218,103.02
  6. Step 6: Final answer
    x = 10,520,269.85

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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.