Home / 11,178,341.80-16,767,512.70-9,761,165.80

Finding the Fourth Proportional to 11,178,341.80, 16,767,512.70 and 9,761,165.80

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Solution

The fourth proportional to 11,178,341.80, 16,767,512.70 and 9,761,165.80 is: 14,641,748.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,178,341.80 : 16,767,512.70 = 9,761,165.80 : x
  2. Step 2: Convert to fraction form
    11,178,341.80/16,767,512.70 = 9,761,165.80/x
  3. Step 3: Cross multiply
    11,178,341.80x = 16,767,512.70 × 9,761,165.80
  4. Step 4: Simplify right side
    11,178,341.80x = 163,670,471,518,305.66
  5. Step 5: Solve for x
    x = 163,670,471,518,305.66/11,178,341.80
  6. Step 6: Final answer
    x = 14,641,748.70

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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.