Home / 12,458,439.40-18,687,659.10-5,726,853.40

Finding the Fourth Proportional to 12,458,439.40, 18,687,659.10 and 5,726,853.40

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Solution

The fourth proportional to 12,458,439.40, 18,687,659.10 and 5,726,853.40 is: 8,590,280.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,458,439.40 : 18,687,659.10 = 5,726,853.40 : x
  2. Step 2: Convert to fraction form
    12,458,439.40/18,687,659.10 = 5,726,853.40/x
  3. Step 3: Cross multiply
    12,458,439.40x = 18,687,659.10 × 5,726,853.40
  4. Step 4: Simplify right side
    12,458,439.40x = 107,021,484,054,875.95
  5. Step 5: Solve for x
    x = 107,021,484,054,875.95/12,458,439.40
  6. Step 6: Final answer
    x = 8,590,280.10

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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.