Home / 21,443,655.40-32,171,487.90-8,673,130.60

Finding the Fourth Proportional to 21,443,655.40, 32,171,487.90 and 8,673,130.60

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Solution

The fourth proportional to 21,443,655.40, 32,171,487.90 and 8,673,130.60 is: 13,012,124.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,443,655.40 : 32,171,487.90 = 8,673,130.60 : x
  2. Step 2: Convert to fraction form
    21,443,655.40/32,171,487.90 = 8,673,130.60/x
  3. Step 3: Cross multiply
    21,443,655.40x = 32,171,487.90 × 8,673,130.60
  4. Step 4: Simplify right side
    21,443,655.40x = 279,027,516,153,019.72
  5. Step 5: Solve for x
    x = 279,027,516,153,019.72/21,443,655.40
  6. Step 6: Final answer
    x = 13,012,124.61

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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.