Home / 12,564,983.61-18,845,231.81-3,343,009.10

Finding the Fourth Proportional to 12,564,983.61, 18,845,231.81 and 3,343,009.10

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Solution

The fourth proportional to 12,564,983.61, 18,845,231.81 and 3,343,009.10 is: 5,013,916.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,564,983.61 : 18,845,231.81 = 3,343,009.10 : x
  2. Step 2: Convert to fraction form
    12,564,983.61/18,845,231.81 = 3,343,009.10/x
  3. Step 3: Cross multiply
    12,564,983.61x = 18,845,231.81 × 3,343,009.10
  4. Step 4: Simplify right side
    12,564,983.61x = 62,999,781,321,498.27
  5. Step 5: Solve for x
    x = 62,999,781,321,498.27/12,564,983.61
  6. Step 6: Final answer
    x = 5,013,916.71

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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.