Home / 13,547,015.61-18,694,891.29-7,352,060.72

Finding the Fourth Proportional to 13,547,015.61, 18,694,891.29 and 7,352,060.72

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Solution

The fourth proportional to 13,547,015.61, 18,694,891.29 and 7,352,060.72 is: 10,145,849.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,547,015.61 : 18,694,891.29 = 7,352,060.72 : x
  2. Step 2: Convert to fraction form
    13,547,015.61/18,694,891.29 = 7,352,060.72/x
  3. Step 3: Cross multiply
    13,547,015.61x = 18,694,891.29 × 7,352,060.72
  4. Step 4: Simplify right side
    13,547,015.61x = 137,445,975,917,879.12
  5. Step 5: Solve for x
    x = 137,445,975,917,879.12/13,547,015.61
  6. Step 6: Final answer
    x = 10,145,849.08

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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.