Home / 15,708,360.78-21,679,511.90-8,832,793.50

Finding the Fourth Proportional to 15,708,360.78, 21,679,511.90 and 8,832,793.50

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Solution

The fourth proportional to 15,708,360.78, 21,679,511.90 and 8,832,793.50 is: 12,190,365.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,708,360.78 : 21,679,511.90 = 8,832,793.50 : x
  2. Step 2: Convert to fraction form
    15,708,360.78/21,679,511.90 = 8,832,793.50/x
  3. Step 3: Cross multiply
    15,708,360.78x = 21,679,511.90 × 8,832,793.50
  4. Step 4: Simplify right side
    15,708,360.78x = 191,490,651,749,328.69
  5. Step 5: Solve for x
    x = 191,490,651,749,328.69/15,708,360.78
  6. Step 6: Final answer
    x = 12,190,365.02

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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.