Home / 13,208,720.80-19,813,081.20-8,904,048.70

Finding the Fourth Proportional to 13,208,720.80, 19,813,081.20 and 8,904,048.70

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Solution

The fourth proportional to 13,208,720.80, 19,813,081.20 and 8,904,048.70 is: 13,356,073.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,208,720.80 : 19,813,081.20 = 8,904,048.70 : x
  2. Step 2: Convert to fraction form
    13,208,720.80/19,813,081.20 = 8,904,048.70/x
  3. Step 3: Cross multiply
    13,208,720.80x = 19,813,081.20 × 8,904,048.70
  4. Step 4: Simplify right side
    13,208,720.80x = 176,416,639,901,854.41
  5. Step 5: Solve for x
    x = 176,416,639,901,854.41/13,208,720.80
  6. Step 6: Final answer
    x = 13,356,073.05

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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.