Home / 28,995,338.98-40,012,491.67-15,941,821.24

Finding the Fourth Proportional to 28,995,338.98, 40,012,491.67 and 15,941,821.24

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Solution

The fourth proportional to 28,995,338.98, 40,012,491.67 and 15,941,821.24 is: 21,999,121.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,995,338.98 : 40,012,491.67 = 15,941,821.24 : x
  2. Step 2: Convert to fraction form
    28,995,338.98/40,012,491.67 = 15,941,821.24/x
  3. Step 3: Cross multiply
    28,995,338.98x = 40,012,491.67 × 15,941,821.24
  4. Step 4: Simplify right side
    28,995,338.98x = 637,871,989,570,129.12
  5. Step 5: Solve for x
    x = 637,871,989,570,129.12/28,995,338.98
  6. Step 6: Final answer
    x = 21,999,121.65

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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.