Home / 12,591,647.40-17,376,472.44-7,159,139.40

Finding the Fourth Proportional to 12,591,647.40, 17,376,472.44 and 7,159,139.40

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Solution

The fourth proportional to 12,591,647.40, 17,376,472.44 and 7,159,139.40 is: 9,879,611.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,591,647.40 : 17,376,472.44 = 7,159,139.40 : x
  2. Step 2: Convert to fraction form
    12,591,647.40/17,376,472.44 = 7,159,139.40/x
  3. Step 3: Cross multiply
    12,591,647.40x = 17,376,472.44 × 7,159,139.40
  4. Step 4: Simplify right side
    12,591,647.40x = 124,400,588,478,218.16
  5. Step 5: Solve for x
    x = 124,400,588,478,218.16/12,591,647.40
  6. Step 6: Final answer
    x = 9,879,611.82

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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.