Home / 12,655,860.76-18,986,611.02-6,973,159.96

Finding the Fourth Proportional to 12,655,860.76, 18,986,611.02 and 6,973,159.96

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Solution

The fourth proportional to 12,655,860.76, 18,986,611.02 and 6,973,159.96 is: 10,461,293.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,655,860.76 : 18,986,611.02 = 6,973,159.96 : x
  2. Step 2: Convert to fraction form
    12,655,860.76/18,986,611.02 = 6,973,159.96/x
  3. Step 3: Cross multiply
    12,655,860.76x = 18,986,611.02 × 6,973,159.96
  4. Step 4: Simplify right side
    12,655,860.76x = 132,396,675,740,758.75
  5. Step 5: Solve for x
    x = 132,396,675,740,758.75/12,655,860.76
  6. Step 6: Final answer
    x = 10,461,293.65

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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.