Home / 14,003,071.20-21,021,665.40-8,885,491.20

Finding the Fourth Proportional to 14,003,071.20, 21,021,665.40 and 8,885,491.20

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Solution

The fourth proportional to 14,003,071.20, 21,021,665.40 and 8,885,491.20 is: 13,339,061.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,003,071.20 : 21,021,665.40 = 8,885,491.20 : x
  2. Step 2: Convert to fraction form
    14,003,071.20/21,021,665.40 = 8,885,491.20/x
  3. Step 3: Cross multiply
    14,003,071.20x = 21,021,665.40 × 8,885,491.20
  4. Step 4: Simplify right side
    14,003,071.20x = 186,787,822,921,044.44
  5. Step 5: Solve for x
    x = 186,787,822,921,044.44/14,003,071.20
  6. Step 6: Final answer
    x = 13,339,061.14

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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.