Home / 12,248,947.44-18,361,070.06-7,703,244.86

Finding the Fourth Proportional to 12,248,947.44, 18,361,070.06 and 7,703,244.86

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Solution

The fourth proportional to 12,248,947.44, 18,361,070.06 and 7,703,244.86 is: 11,547,099.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,248,947.44 : 18,361,070.06 = 7,703,244.86 : x
  2. Step 2: Convert to fraction form
    12,248,947.44/18,361,070.06 = 7,703,244.86/x
  3. Step 3: Cross multiply
    12,248,947.44x = 18,361,070.06 × 7,703,244.86
  4. Step 4: Simplify right side
    12,248,947.44x = 141,439,818,433,473.31
  5. Step 5: Solve for x
    x = 141,439,818,433,473.31/12,248,947.44
  6. Step 6: Final answer
    x = 11,547,099.79

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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.