Home / 21,613,664.57-32,368,547.56-12,363,592.65

Finding the Fourth Proportional to 21,613,664.57, 32,368,547.56 and 12,363,592.65

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Solution

The fourth proportional to 21,613,664.57, 32,368,547.56 and 12,363,592.65 is: 18,515,672.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,613,664.57 : 32,368,547.56 = 12,363,592.65 : x
  2. Step 2: Convert to fraction form
    21,613,664.57/32,368,547.56 = 12,363,592.65/x
  3. Step 3: Cross multiply
    21,613,664.57x = 32,368,547.56 × 12,363,592.65
  4. Step 4: Simplify right side
    21,613,664.57x = 400,191,536,794,464.56
  5. Step 5: Solve for x
    x = 400,191,536,794,464.56/21,613,664.57
  6. Step 6: Final answer
    x = 18,515,672.59

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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.