Home / 7,547,120.61-11,299,422.06-6,781,845.57

Finding the Fourth Proportional to 7,547,120.61, 11,299,422.06 and 6,781,845.57

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Solution

The fourth proportional to 7,547,120.61, 11,299,422.06 and 6,781,845.57 is: 10,153,665.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,547,120.61 : 11,299,422.06 = 6,781,845.57 : x
  2. Step 2: Convert to fraction form
    7,547,120.61/11,299,422.06 = 6,781,845.57/x
  3. Step 3: Cross multiply
    7,547,120.61x = 11,299,422.06 × 6,781,845.57
  4. Step 4: Simplify right side
    7,547,120.61x = 76,630,935,441,171.28
  5. Step 5: Solve for x
    x = 76,630,935,441,171.28/7,547,120.61
  6. Step 6: Final answer
    x = 10,153,665.14

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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.