Home / 42,268,762.71-63,403,727.27-11,976,596.55

Finding the Fourth Proportional to 42,268,762.71, 63,403,727.27 and 11,976,596.55

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Solution

The fourth proportional to 42,268,762.71, 63,403,727.27 and 11,976,596.55 is: 17,965,060.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,268,762.71 : 63,403,727.27 = 11,976,596.55 : x
  2. Step 2: Convert to fraction form
    42,268,762.71/63,403,727.27 = 11,976,596.55/x
  3. Step 3: Cross multiply
    42,268,762.71x = 63,403,727.27 × 11,976,596.55
  4. Step 4: Simplify right side
    42,268,762.71x = 759,360,861,219,140
  5. Step 5: Solve for x
    x = 759,360,861,219,140/42,268,762.71
  6. Step 6: Final answer
    x = 17,965,060.07

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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.