Home / 7,830,391.24-11,741,034.40-5,239,656.35

Finding the Fourth Proportional to 7,830,391.24, 11,741,034.40 and 5,239,656.35

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Solution

The fourth proportional to 7,830,391.24, 11,741,034.40 and 5,239,656.35 is: 7,856,438.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,830,391.24 : 11,741,034.40 = 5,239,656.35 : x
  2. Step 2: Convert to fraction form
    7,830,391.24/11,741,034.40 = 5,239,656.35/x
  3. Step 3: Cross multiply
    7,830,391.24x = 11,741,034.40 × 5,239,656.35
  4. Step 4: Simplify right side
    7,830,391.24x = 61,518,985,364,624.98
  5. Step 5: Solve for x
    x = 61,518,985,364,624.98/7,830,391.24
  6. Step 6: Final answer
    x = 7,856,438.26

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.