Home / 20,853,664.80-31,280,497.20-14,396,656.65

Finding the Fourth Proportional to 20,853,664.80, 31,280,497.20 and 14,396,656.65

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Solution

The fourth proportional to 20,853,664.80, 31,280,497.20 and 14,396,656.65 is: 21,594,984.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,853,664.80 : 31,280,497.20 = 14,396,656.65 : x
  2. Step 2: Convert to fraction form
    20,853,664.80/31,280,497.20 = 14,396,656.65/x
  3. Step 3: Cross multiply
    20,853,664.80x = 31,280,497.20 × 14,396,656.65
  4. Step 4: Simplify right side
    20,853,664.80x = 450,334,578,029,686.38
  5. Step 5: Solve for x
    x = 450,334,578,029,686.38/20,853,664.80
  6. Step 6: Final answer
    x = 21,594,984.98

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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.