Home / 13,580,718.48-18,741,547.80-7,469,249.04

Finding the Fourth Proportional to 13,580,718.48, 18,741,547.80 and 7,469,249.04

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Solution

The fourth proportional to 13,580,718.48, 18,741,547.80 and 7,469,249.04 is: 10,307,649.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,580,718.48 : 18,741,547.80 = 7,469,249.04 : x
  2. Step 2: Convert to fraction form
    13,580,718.48/18,741,547.80 = 7,469,249.04/x
  3. Step 3: Cross multiply
    13,580,718.48x = 18,741,547.80 × 7,469,249.04
  4. Step 4: Simplify right side
    13,580,718.48x = 139,985,287,913,264.12
  5. Step 5: Solve for x
    x = 139,985,287,913,264.12/13,580,718.48
  6. Step 6: Final answer
    x = 10,307,649.64

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.