Home / 13,312,828.80-19,957,579.20-9,039,139.20

Finding the Fourth Proportional to 13,312,828.80, 19,957,579.20 and 9,039,139.20

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Solution

The fourth proportional to 13,312,828.80, 19,957,579.20 and 9,039,139.20 is: 13,550,789.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,312,828.80 : 19,957,579.20 = 9,039,139.20 : x
  2. Step 2: Convert to fraction form
    13,312,828.80/19,957,579.20 = 9,039,139.20/x
  3. Step 3: Cross multiply
    13,312,828.80x = 19,957,579.20 × 9,039,139.20
  4. Step 4: Simplify right side
    13,312,828.80x = 180,399,336,483,824.62
  5. Step 5: Solve for x
    x = 180,399,336,483,824.62/13,312,828.80
  6. Step 6: Final answer
    x = 13,550,789.18

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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.