Home / 12,912,182.40-19,366,718.40-5,338,358.40

Finding the Fourth Proportional to 12,912,182.40, 19,366,718.40 and 5,338,358.40

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Solution

The fourth proportional to 12,912,182.40, 19,366,718.40 and 5,338,358.40 is: 8,006,894.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,912,182.40 : 19,366,718.40 = 5,338,358.40 : x
  2. Step 2: Convert to fraction form
    12,912,182.40/19,366,718.40 = 5,338,358.40/x
  3. Step 3: Cross multiply
    12,912,182.40x = 19,366,718.40 × 5,338,358.40
  4. Step 4: Simplify right side
    12,912,182.40x = 103,386,483,851,074.56
  5. Step 5: Solve for x
    x = 103,386,483,851,074.56/12,912,182.40
  6. Step 6: Final answer
    x = 8,006,894.62

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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.