Home / 19,319,619.30-28,979,428.95-10,361,667.30

Finding the Fourth Proportional to 19,319,619.30, 28,979,428.95 and 10,361,667.30

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Solution

The fourth proportional to 19,319,619.30, 28,979,428.95 and 10,361,667.30 is: 15,542,500.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,319,619.30 : 28,979,428.95 = 10,361,667.30 : x
  2. Step 2: Convert to fraction form
    19,319,619.30/28,979,428.95 = 10,361,667.30/x
  3. Step 3: Cross multiply
    19,319,619.30x = 28,979,428.95 × 10,361,667.30
  4. Step 4: Simplify right side
    19,319,619.30x = 300,275,201,323,888.38
  5. Step 5: Solve for x
    x = 300,275,201,323,888.38/19,319,619.30
  6. Step 6: Final answer
    x = 15,542,500.95

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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.