Home / 6,420,287.73-8,852,249.59-5,547,545.13

Finding the Fourth Proportional to 6,420,287.73, 8,852,249.59 and 5,547,545.13

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Solution

The fourth proportional to 6,420,287.73, 8,852,249.59 and 5,547,545.13 is: 7,648,917.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,420,287.73 : 8,852,249.59 = 5,547,545.13 : x
  2. Step 2: Convert to fraction form
    6,420,287.73/8,852,249.59 = 5,547,545.13/x
  3. Step 3: Cross multiply
    6,420,287.73x = 8,852,249.59 × 5,547,545.13
  4. Step 4: Simplify right side
    6,420,287.73x = 49,108,254,102,548.99
  5. Step 5: Solve for x
    x = 49,108,254,102,548.99/6,420,287.73
  6. Step 6: Final answer
    x = 7,648,917.96

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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.