Home / 8,877,881.16-12,250,162.44-5,391,406.80

Finding the Fourth Proportional to 8,877,881.16, 12,250,162.44 and 5,391,406.80

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Solution

The fourth proportional to 8,877,881.16, 12,250,162.44 and 5,391,406.80 is: 7,439,343.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,877,881.16 : 12,250,162.44 = 5,391,406.80 : x
  2. Step 2: Convert to fraction form
    8,877,881.16/12,250,162.44 = 5,391,406.80/x
  3. Step 3: Cross multiply
    8,877,881.16x = 12,250,162.44 × 5,391,406.80
  4. Step 4: Simplify right side
    8,877,881.16x = 66,045,609,080,120.59
  5. Step 5: Solve for x
    x = 66,045,609,080,120.59/8,877,881.16
  6. Step 6: Final answer
    x = 7,439,343.68

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1.5x scale

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.