Home / 12,400,344.90-18,603,661.19-8,764,228.98

Finding the Fourth Proportional to 12,400,344.90, 18,603,661.19 and 8,764,228.98

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Solution

The fourth proportional to 12,400,344.90, 18,603,661.19 and 8,764,228.98 is: 13,148,565.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,400,344.90 : 18,603,661.19 = 8,764,228.98 : x
  2. Step 2: Convert to fraction form
    12,400,344.90/18,603,661.19 = 8,764,228.98/x
  3. Step 3: Cross multiply
    12,400,344.90x = 18,603,661.19 × 8,764,228.98
  4. Step 4: Simplify right side
    12,400,344.90x = 163,046,746,491,678.12
  5. Step 5: Solve for x
    x = 163,046,746,491,678.12/12,400,344.90
  6. Step 6: Final answer
    x = 13,148,565.45

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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.