Home / 18,812,371.67-28,215,537-5,162,330.24

Finding the Fourth Proportional to 18,812,371.67, 28,215,537 and 5,162,330.24

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Solution

The fourth proportional to 18,812,371.67, 28,215,537 and 5,162,330.24 is: 7,742,666.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,812,371.67 : 28,215,537 = 5,162,330.24 : x
  2. Step 2: Convert to fraction form
    18,812,371.67/28,215,537 = 5,162,330.24/x
  3. Step 3: Cross multiply
    18,812,371.67x = 28,215,537 × 5,162,330.24
  4. Step 4: Simplify right side
    18,812,371.67x = 145,657,919,892,938.88
  5. Step 5: Solve for x
    x = 145,657,919,892,938.88/18,812,371.67
  6. Step 6: Final answer
    x = 7,742,666.50

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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.