Home / 40,087,420.98-55,320,792.69-21,752,706.48

Finding the Fourth Proportional to 40,087,420.98, 55,320,792.69 and 21,752,706.48

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Solution

The fourth proportional to 40,087,420.98, 55,320,792.69 and 21,752,706.48 is: 30,018,817.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,087,420.98 : 55,320,792.69 = 21,752,706.48 : x
  2. Step 2: Convert to fraction form
    40,087,420.98/55,320,792.69 = 21,752,706.48/x
  3. Step 3: Cross multiply
    40,087,420.98x = 55,320,792.69 × 21,752,706.48
  4. Step 4: Simplify right side
    40,087,420.98x = 1,203,376,965,626,499.50
  5. Step 5: Solve for x
    x = 1,203,376,965,626,499.50/40,087,420.98
  6. Step 6: Final answer
    x = 30,018,817.28

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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.