Home / 12,292,848.30-18,439,272.45-5,200,214.70

Finding the Fourth Proportional to 12,292,848.30, 18,439,272.45 and 5,200,214.70

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Solution

The fourth proportional to 12,292,848.30, 18,439,272.45 and 5,200,214.70 is: 7,800,322.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,292,848.30 : 18,439,272.45 = 5,200,214.70 : x
  2. Step 2: Convert to fraction form
    12,292,848.30/18,439,272.45 = 5,200,214.70/x
  3. Step 3: Cross multiply
    12,292,848.30x = 18,439,272.45 × 5,200,214.70
  4. Step 4: Simplify right side
    12,292,848.30x = 95,888,175,651,795.02
  5. Step 5: Solve for x
    x = 95,888,175,651,795.02/12,292,848.30
  6. Step 6: Final answer
    x = 7,800,322.05

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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.