Home / 21,348,969.18-32,023,518.57-5,174,856.78

Finding the Fourth Proportional to 21,348,969.18, 32,023,518.57 and 5,174,856.78

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Solution

The fourth proportional to 21,348,969.18, 32,023,518.57 and 5,174,856.78 is: 7,762,300.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,348,969.18 : 32,023,518.57 = 5,174,856.78 : x
  2. Step 2: Convert to fraction form
    21,348,969.18/32,023,518.57 = 5,174,856.78/x
  3. Step 3: Cross multiply
    21,348,969.18x = 32,023,518.57 × 5,174,856.78
  4. Step 4: Simplify right side
    21,348,969.18x = 165,717,122,191,420.41
  5. Step 5: Solve for x
    x = 165,717,122,191,420.41/21,348,969.18
  6. Step 6: Final answer
    x = 7,762,300.88

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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.