Home / 7,643,562.75-10,547,922.69-4,158,753.21

Finding the Fourth Proportional to 7,643,562.75, 10,547,922.69 and 4,158,753.21

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Solution

The fourth proportional to 7,643,562.75, 10,547,922.69 and 4,158,753.21 is: 5,738,973.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,643,562.75 : 10,547,922.69 = 4,158,753.21 : x
  2. Step 2: Convert to fraction form
    7,643,562.75/10,547,922.69 = 4,158,753.21/x
  3. Step 3: Cross multiply
    7,643,562.75x = 10,547,922.69 × 4,158,753.21
  4. Step 4: Simplify right side
    7,643,562.75x = 43,866,207,345,869.34
  5. Step 5: Solve for x
    x = 43,866,207,345,869.34/7,643,562.75
  6. Step 6: Final answer
    x = 5,738,973.93

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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.