Home / 8,911,074.84-13,369,490.91-4,121,905.71

Finding the Fourth Proportional to 8,911,074.84, 13,369,490.91 and 4,121,905.71

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Solution

The fourth proportional to 8,911,074.84, 13,369,490.91 and 4,121,905.71 is: 6,184,190.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,911,074.84 : 13,369,490.91 = 4,121,905.71 : x
  2. Step 2: Convert to fraction form
    8,911,074.84/13,369,490.91 = 4,121,905.71/x
  3. Step 3: Cross multiply
    8,911,074.84x = 13,369,490.91 × 4,121,905.71
  4. Step 4: Simplify right side
    8,911,074.84x = 55,107,780,921,722.09
  5. Step 5: Solve for x
    x = 55,107,780,921,722.09/8,911,074.84
  6. Step 6: Final answer
    x = 6,184,190.11

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.