Home / 12,760,862.60-19,144,909.74-5,193,259.40

Finding the Fourth Proportional to 12,760,862.60, 19,144,909.74 and 5,193,259.40

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Solution

The fourth proportional to 12,760,862.60, 19,144,909.74 and 5,193,259.40 is: 7,791,360.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,760,862.60 : 19,144,909.74 = 5,193,259.40 : x
  2. Step 2: Convert to fraction form
    12,760,862.60/19,144,909.74 = 5,193,259.40/x
  3. Step 3: Cross multiply
    12,760,862.60x = 19,144,909.74 × 5,193,259.40
  4. Step 4: Simplify right side
    12,760,862.60x = 99,424,482,469,406.55
  5. Step 5: Solve for x
    x = 99,424,482,469,406.55/12,760,862.60
  6. Step 6: Final answer
    x = 7,791,360.63

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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.