Home / 12,472,235.80-18,705,729.30-5,284,004.20

Finding the Fourth Proportional to 12,472,235.80, 18,705,729.30 and 5,284,004.20

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Solution

The fourth proportional to 12,472,235.80, 18,705,729.30 and 5,284,004.20 is: 7,924,894.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,472,235.80 : 18,705,729.30 = 5,284,004.20 : x
  2. Step 2: Convert to fraction form
    12,472,235.80/18,705,729.30 = 5,284,004.20/x
  3. Step 3: Cross multiply
    12,472,235.80x = 18,705,729.30 × 5,284,004.20
  4. Step 4: Simplify right side
    12,472,235.80x = 98,841,152,185,263.06
  5. Step 5: Solve for x
    x = 98,841,152,185,263.06/12,472,235.80
  6. Step 6: Final answer
    x = 7,924,894.44

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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.