Home / 31,989,312.24-44,144,152.92-18,242,700.72

Finding the Fourth Proportional to 31,989,312.24, 44,144,152.92 and 18,242,700.72

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Solution

The fourth proportional to 31,989,312.24, 44,144,152.92 and 18,242,700.72 is: 25,174,300.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,989,312.24 : 44,144,152.92 = 18,242,700.72 : x
  2. Step 2: Convert to fraction form
    31,989,312.24/44,144,152.92 = 18,242,700.72/x
  3. Step 3: Cross multiply
    31,989,312.24x = 44,144,152.92 × 18,242,700.72
  4. Step 4: Simplify right side
    31,989,312.24x = 805,308,570,257,474.12
  5. Step 5: Solve for x
    x = 805,308,570,257,474.12/31,989,312.24
  6. Step 6: Final answer
    x = 25,174,300.85

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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.