Home / 26,542,624.08-36,620,061.48-21,639,416.64

Finding the Fourth Proportional to 26,542,624.08, 36,620,061.48 and 21,639,416.64

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Solution

The fourth proportional to 26,542,624.08, 36,620,061.48 and 21,639,416.64 is: 29,855,253.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,542,624.08 : 36,620,061.48 = 21,639,416.64 : x
  2. Step 2: Convert to fraction form
    26,542,624.08/36,620,061.48 = 21,639,416.64/x
  3. Step 3: Cross multiply
    26,542,624.08x = 36,620,061.48 × 21,639,416.64
  4. Step 4: Simplify right side
    26,542,624.08x = 792,436,767,748,135
  5. Step 5: Solve for x
    x = 792,436,767,748,135/26,542,624.08
  6. Step 6: Final answer
    x = 29,855,253.40

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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.