Home / 27,648,014.40-41,472,021.60-8,478,619.20

Finding the Fourth Proportional to 27,648,014.40, 41,472,021.60 and 8,478,619.20

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Solution

The fourth proportional to 27,648,014.40, 41,472,021.60 and 8,478,619.20 is: 12,717,928.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,648,014.40 : 41,472,021.60 = 8,478,619.20 : x
  2. Step 2: Convert to fraction form
    27,648,014.40/41,472,021.60 = 8,478,619.20/x
  3. Step 3: Cross multiply
    27,648,014.40x = 41,472,021.60 × 8,478,619.20
  4. Step 4: Simplify right side
    27,648,014.40x = 351,625,478,600,574.69
  5. Step 5: Solve for x
    x = 351,625,478,600,574.69/27,648,014.40
  6. Step 6: Final answer
    x = 12,717,928.80

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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.