Home / 8,655,549.44-12,966,262.52-7,038,143.87

Finding the Fourth Proportional to 8,655,549.44, 12,966,262.52 and 7,038,143.87

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Solution

The fourth proportional to 8,655,549.44, 12,966,262.52 and 7,038,143.87 is: 10,543,342.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,655,549.44 : 12,966,262.52 = 7,038,143.87 : x
  2. Step 2: Convert to fraction form
    8,655,549.44/12,966,262.52 = 7,038,143.87/x
  3. Step 3: Cross multiply
    8,655,549.44x = 12,966,262.52 × 7,038,143.87
  4. Step 4: Simplify right side
    8,655,549.44x = 91,258,420,971,926.73
  5. Step 5: Solve for x
    x = 91,258,420,971,926.73/8,655,549.44
  6. Step 6: Final answer
    x = 10,543,342.36

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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.