Home / 21,915,721.60-32,873,582.40-5,741,641.60

Finding the Fourth Proportional to 21,915,721.60, 32,873,582.40 and 5,741,641.60

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Solution

The fourth proportional to 21,915,721.60, 32,873,582.40 and 5,741,641.60 is: 8,612,462.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,915,721.60 : 32,873,582.40 = 5,741,641.60 : x
  2. Step 2: Convert to fraction form
    21,915,721.60/32,873,582.40 = 5,741,641.60/x
  3. Step 3: Cross multiply
    21,915,721.60x = 32,873,582.40 × 5,741,641.60
  4. Step 4: Simplify right side
    21,915,721.60x = 188,748,328,248,867.81
  5. Step 5: Solve for x
    x = 188,748,328,248,867.81/21,915,721.60
  6. Step 6: Final answer
    x = 8,612,462.40

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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.