Home / 12,270,517.68-16,963,925.40-9,209,417.52

Finding the Fourth Proportional to 12,270,517.68, 16,963,925.40 and 9,209,417.52

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Solution

The fourth proportional to 12,270,517.68, 16,963,925.40 and 9,209,417.52 is: 12,731,970.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,270,517.68 : 16,963,925.40 = 9,209,417.52 : x
  2. Step 2: Convert to fraction form
    12,270,517.68/16,963,925.40 = 9,209,417.52/x
  3. Step 3: Cross multiply
    12,270,517.68x = 16,963,925.40 × 9,209,417.52
  4. Step 4: Simplify right side
    12,270,517.68x = 156,227,871,786,733
  5. Step 5: Solve for x
    x = 156,227,871,786,733/12,270,517.68
  6. Step 6: Final answer
    x = 12,731,970.72

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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.