Home / 21,095,449.60-31,591,565.92-19,050,727.68

Finding the Fourth Proportional to 21,095,449.60, 31,591,565.92 and 19,050,727.68

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Solution

The fourth proportional to 21,095,449.60, 31,591,565.92 and 19,050,727.68 is: 28,529,485.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,095,449.60 : 31,591,565.92 = 19,050,727.68 : x
  2. Step 2: Convert to fraction form
    21,095,449.60/31,591,565.92 = 19,050,727.68/x
  3. Step 3: Cross multiply
    21,095,449.60x = 31,591,565.92 × 19,050,727.68
  4. Step 4: Simplify right side
    21,095,449.60x = 601,842,319,326,688.75
  5. Step 5: Solve for x
    x = 601,842,319,326,688.75/21,095,449.60
  6. Step 6: Final answer
    x = 28,529,485.30

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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.