Home / 8,854,828.40-12,219,731.40-4,986,987.68

Finding the Fourth Proportional to 8,854,828.40, 12,219,731.40 and 4,986,987.68

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Solution

The fourth proportional to 8,854,828.40, 12,219,731.40 and 4,986,987.68 is: 6,882,081.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,854,828.40 : 12,219,731.40 = 4,986,987.68 : x
  2. Step 2: Convert to fraction form
    8,854,828.40/12,219,731.40 = 4,986,987.68/x
  3. Step 3: Cross multiply
    8,854,828.40x = 12,219,731.40 × 4,986,987.68
  4. Step 4: Simplify right side
    8,854,828.40x = 60,939,649,944,709.15
  5. Step 5: Solve for x
    x = 60,939,649,944,709.15/8,854,828.40
  6. Step 6: Final answer
    x = 6,882,081.41

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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.