Home / 15,178,567.95-20,946,920.22-8,652,078.81

Finding the Fourth Proportional to 15,178,567.95, 20,946,920.22 and 8,652,078.81

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Solution

The fourth proportional to 15,178,567.95, 20,946,920.22 and 8,652,078.81 is: 11,940,151.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,178,567.95 : 20,946,920.22 = 8,652,078.81 : x
  2. Step 2: Convert to fraction form
    15,178,567.95/20,946,920.22 = 8,652,078.81/x
  3. Step 3: Cross multiply
    15,178,567.95x = 20,946,920.22 × 8,652,078.81
  4. Step 4: Simplify right side
    15,178,567.95x = 181,234,404,570,222.53
  5. Step 5: Solve for x
    x = 181,234,404,570,222.53/15,178,567.95
  6. Step 6: Final answer
    x = 11,940,151.74

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.