Home / 14,317,597.71-19,758,288.06-7,879,069.71

Finding the Fourth Proportional to 14,317,597.71, 19,758,288.06 and 7,879,069.71

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Solution

The fourth proportional to 14,317,597.71, 19,758,288.06 and 7,879,069.71 is: 10,873,117.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,317,597.71 : 19,758,288.06 = 7,879,069.71 : x
  2. Step 2: Convert to fraction form
    14,317,597.71/19,758,288.06 = 7,879,069.71/x
  3. Step 3: Cross multiply
    14,317,597.71x = 19,758,288.06 × 7,879,069.71
  4. Step 4: Simplify right side
    14,317,597.71x = 155,676,928,975,000.66
  5. Step 5: Solve for x
    x = 155,676,928,975,000.66/14,317,597.71
  6. Step 6: Final answer
    x = 10,873,117.97

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.