Home / 8,510,867.96-11,744,981.10-4,643,391.68

Finding the Fourth Proportional to 8,510,867.96, 11,744,981.10 and 4,643,391.68

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Solution

The fourth proportional to 8,510,867.96, 11,744,981.10 and 4,643,391.68 is: 6,407,871.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,510,867.96 : 11,744,981.10 = 4,643,391.68 : x
  2. Step 2: Convert to fraction form
    8,510,867.96/11,744,981.10 = 4,643,391.68/x
  3. Step 3: Cross multiply
    8,510,867.96x = 11,744,981.10 × 4,643,391.68
  4. Step 4: Simplify right side
    8,510,867.96x = 54,536,547,521,497.24
  5. Step 5: Solve for x
    x = 54,536,547,521,497.24/8,510,867.96
  6. Step 6: Final answer
    x = 6,407,871.42

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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.