Home / 28,987,261.02-40,002,549.84-15,935,360.85

Finding the Fourth Proportional to 28,987,261.02, 40,002,549.84 and 15,935,360.85

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Solution

The fourth proportional to 28,987,261.02, 40,002,549.84 and 15,935,360.85 is: 21,990,869.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,987,261.02 : 40,002,549.84 = 15,935,360.85 : x
  2. Step 2: Convert to fraction form
    28,987,261.02/40,002,549.84 = 15,935,360.85/x
  3. Step 3: Cross multiply
    28,987,261.02x = 40,002,549.84 × 15,935,360.85
  4. Step 4: Simplify right side
    28,987,261.02x = 637,455,066,620,509.75
  5. Step 5: Solve for x
    x = 637,455,066,620,509.75/28,987,261.02
  6. Step 6: Final answer
    x = 21,990,869.24

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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.