Home / 7,855,564.86-10,840,509-4,547,998.44

Finding the Fourth Proportional to 7,855,564.86, 10,840,509 and 4,547,998.44

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Solution

The fourth proportional to 7,855,564.86, 10,840,509 and 4,547,998.44 is: 6,276,139.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,855,564.86 : 10,840,509 = 4,547,998.44 : x
  2. Step 2: Convert to fraction form
    7,855,564.86/10,840,509 = 4,547,998.44/x
  3. Step 3: Cross multiply
    7,855,564.86x = 10,840,509 × 4,547,998.44
  4. Step 4: Simplify right side
    7,855,564.86x = 49,302,618,020,805.96
  5. Step 5: Solve for x
    x = 49,302,618,020,805.96/7,855,564.86
  6. Step 6: Final answer
    x = 6,276,139.13

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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.