Home / 15,232,942.28-21,021,460.34-8,706,711.86

Finding the Fourth Proportional to 15,232,942.28, 21,021,460.34 and 8,706,711.86

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Solution

The fourth proportional to 15,232,942.28, 21,021,460.34 and 8,706,711.86 is: 12,015,262.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,232,942.28 : 21,021,460.34 = 8,706,711.86 : x
  2. Step 2: Convert to fraction form
    15,232,942.28/21,021,460.34 = 8,706,711.86/x
  3. Step 3: Cross multiply
    15,232,942.28x = 21,021,460.34 × 8,706,711.86
  4. Step 4: Simplify right side
    15,232,942.28x = 183,027,798,103,944.47
  5. Step 5: Solve for x
    x = 183,027,798,103,944.47/15,232,942.28
  6. Step 6: Final answer
    x = 12,015,262.37

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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.