Home / 8,322,986.71-12,484,421.74-4,280,601.52

Finding the Fourth Proportional to 8,322,986.71, 12,484,421.74 and 4,280,601.52

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Solution

The fourth proportional to 8,322,986.71, 12,484,421.74 and 4,280,601.52 is: 6,420,872.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,322,986.71 : 12,484,421.74 = 4,280,601.52 : x
  2. Step 2: Convert to fraction form
    8,322,986.71/12,484,421.74 = 4,280,601.52/x
  3. Step 3: Cross multiply
    8,322,986.71x = 12,484,421.74 × 4,280,601.52
  4. Step 4: Simplify right side
    8,322,986.71x = 53,440,834,676,565.04
  5. Step 5: Solve for x
    x = 53,440,834,676,565.04/8,322,986.71
  6. Step 6: Final answer
    x = 6,420,872.28

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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.