Home / 7,817,830.71-11,726,916.30-5,502,863.76

Finding the Fourth Proportional to 7,817,830.71, 11,726,916.30 and 5,502,863.76

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Solution

The fourth proportional to 7,817,830.71, 11,726,916.30 and 5,502,863.76 is: 8,254,415.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,817,830.71 : 11,726,916.30 = 5,502,863.76 : x
  2. Step 2: Convert to fraction form
    7,817,830.71/11,726,916.30 = 5,502,863.76/x
  3. Step 3: Cross multiply
    7,817,830.71x = 11,726,916.30 × 5,502,863.76
  4. Step 4: Simplify right side
    7,817,830.71x = 64,531,622,723,823.29
  5. Step 5: Solve for x
    x = 64,531,622,723,823.29/7,817,830.71
  6. Step 6: Final answer
    x = 8,254,415.47

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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.