Home / 15,408,790.78-21,264,475.39-8,793,247.50

Finding the Fourth Proportional to 15,408,790.78, 21,264,475.39 and 8,793,247.50

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Solution

The fourth proportional to 15,408,790.78, 21,264,475.39 and 8,793,247.50 is: 12,134,877.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,408,790.78 : 21,264,475.39 = 8,793,247.50 : x
  2. Step 2: Convert to fraction form
    15,408,790.78/21,264,475.39 = 8,793,247.50/x
  3. Step 3: Cross multiply
    15,408,790.78x = 21,264,475.39 × 8,793,247.50
  4. Step 4: Simplify right side
    15,408,790.78x = 186,983,794,955,606.62
  5. Step 5: Solve for x
    x = 186,983,794,955,606.62/15,408,790.78
  6. Step 6: Final answer
    x = 12,134,877.92

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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.