Home / 40,087,445.40-55,320,826.42-21,752,730.90

Finding the Fourth Proportional to 40,087,445.40, 55,320,826.42 and 21,752,730.90

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Solution

The fourth proportional to 40,087,445.40, 55,320,826.42 and 21,752,730.90 is: 30,018,851.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,087,445.40 : 55,320,826.42 = 21,752,730.90 : x
  2. Step 2: Convert to fraction form
    40,087,445.40/55,320,826.42 = 21,752,730.90/x
  3. Step 3: Cross multiply
    40,087,445.40x = 55,320,826.42 × 21,752,730.90
  4. Step 4: Simplify right side
    40,087,445.40x = 1,203,379,050,307,061.25
  5. Step 5: Solve for x
    x = 1,203,379,050,307,061.25/40,087,445.40
  6. Step 6: Final answer
    x = 30,018,851.00

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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.