Home / 19,995,382.80-29,994,195.20-5,617,329.59

Finding the Fourth Proportional to 19,995,382.80, 29,994,195.20 and 5,617,329.59

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Solution

The fourth proportional to 19,995,382.80, 29,994,195.20 and 5,617,329.59 is: 8,426,309.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,995,382.80 : 29,994,195.20 = 5,617,329.59 : x
  2. Step 2: Convert to fraction form
    19,995,382.80/29,994,195.20 = 5,617,329.59/x
  3. Step 3: Cross multiply
    19,995,382.80x = 29,994,195.20 × 5,617,329.59
  4. Step 4: Simplify right side
    19,995,382.80x = 168,487,280,272,094.81
  5. Step 5: Solve for x
    x = 168,487,280,272,094.81/19,995,382.80
  6. Step 6: Final answer
    x = 8,426,309.31

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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.