Home / 21,547,972.57-32,303,034.01-8,779,216.81

Finding the Fourth Proportional to 21,547,972.57, 32,303,034.01 and 8,779,216.81

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Solution

The fourth proportional to 21,547,972.57, 32,303,034.01 and 8,779,216.81 is: 13,161,114.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,547,972.57 : 32,303,034.01 = 8,779,216.81 : x
  2. Step 2: Convert to fraction form
    21,547,972.57/32,303,034.01 = 8,779,216.81/x
  3. Step 3: Cross multiply
    21,547,972.57x = 32,303,034.01 × 8,779,216.81
  4. Step 4: Simplify right side
    21,547,972.57x = 283,595,339,194,593.75
  5. Step 5: Solve for x
    x = 283,595,339,194,593.75/21,547,972.57
  6. Step 6: Final answer
    x = 13,161,114.73

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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.