Home / 12,774,531.60-19,130,304.60-8,491,510.80

Finding the Fourth Proportional to 12,774,531.60, 19,130,304.60 and 8,491,510.80

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Solution

The fourth proportional to 12,774,531.60, 19,130,304.60 and 8,491,510.80 is: 12,716,332.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,774,531.60 : 19,130,304.60 = 8,491,510.80 : x
  2. Step 2: Convert to fraction form
    12,774,531.60/19,130,304.60 = 8,491,510.80/x
  3. Step 3: Cross multiply
    12,774,531.60x = 19,130,304.60 × 8,491,510.80
  4. Step 4: Simplify right side
    12,774,531.60x = 162,445,188,118,189.72
  5. Step 5: Solve for x
    x = 162,445,188,118,189.72/12,774,531.60
  6. Step 6: Final answer
    x = 12,716,332.25

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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.