Home / 15,771,374.28-21,764,481.30-8,528,013

Finding the Fourth Proportional to 15,771,374.28, 21,764,481.30 and 8,528,013

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Solution

The fourth proportional to 15,771,374.28, 21,764,481.30 and 8,528,013 is: 11,768,649.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,771,374.28 : 21,764,481.30 = 8,528,013 : x
  2. Step 2: Convert to fraction form
    15,771,374.28/21,764,481.30 = 8,528,013/x
  3. Step 3: Cross multiply
    15,771,374.28x = 21,764,481.30 × 8,528,013
  4. Step 4: Simplify right side
    15,771,374.28x = 185,607,779,464,656.91
  5. Step 5: Solve for x
    x = 185,607,779,464,656.91/15,771,374.28
  6. Step 6: Final answer
    x = 11,768,649.72

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.