Home / 18,750,800.61-28,127,299.29-7,236,328.23

Finding the Fourth Proportional to 18,750,800.61, 28,127,299.29 and 7,236,328.23

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Solution

The fourth proportional to 18,750,800.61, 28,127,299.29 and 7,236,328.23 is: 10,854,916.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,750,800.61 : 28,127,299.29 = 7,236,328.23 : x
  2. Step 2: Convert to fraction form
    18,750,800.61/28,127,299.29 = 7,236,328.23/x
  3. Step 3: Cross multiply
    18,750,800.61x = 28,127,299.29 × 7,236,328.23
  4. Step 4: Simplify right side
    18,750,800.61x = 203,538,369,885,885.97
  5. Step 5: Solve for x
    x = 203,538,369,885,885.97/18,750,800.61
  6. Step 6: Final answer
    x = 10,854,916.23

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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.