Home / 12,549,510.56-17,318,324.80-7,117,002.56

Finding the Fourth Proportional to 12,549,510.56, 17,318,324.80 and 7,117,002.56

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Solution

The fourth proportional to 12,549,510.56, 17,318,324.80 and 7,117,002.56 is: 9,821,463.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,549,510.56 : 17,318,324.80 = 7,117,002.56 : x
  2. Step 2: Convert to fraction form
    12,549,510.56/17,318,324.80 = 7,117,002.56/x
  3. Step 3: Cross multiply
    12,549,510.56x = 17,318,324.80 × 7,117,002.56
  4. Step 4: Simplify right side
    12,549,510.56x = 123,254,561,936,511.48
  5. Step 5: Solve for x
    x = 123,254,561,936,511.48/12,549,510.56
  6. Step 6: Final answer
    x = 9,821,463.66

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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.