Home / 8,334,781.72-12,485,995.81-6,142,369.68

Finding the Fourth Proportional to 8,334,781.72, 12,485,995.81 and 6,142,369.68

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Solution

The fourth proportional to 8,334,781.72, 12,485,995.81 and 6,142,369.68 is: 9,201,632.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,334,781.72 : 12,485,995.81 = 6,142,369.68 : x
  2. Step 2: Convert to fraction form
    8,334,781.72/12,485,995.81 = 6,142,369.68/x
  3. Step 3: Cross multiply
    8,334,781.72x = 12,485,995.81 × 6,142,369.68
  4. Step 4: Simplify right side
    8,334,781.72x = 76,693,602,087,951.05
  5. Step 5: Solve for x
    x = 76,693,602,087,951.05/8,334,781.72
  6. Step 6: Final answer
    x = 9,201,632.95

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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.