Home / 27,287,555.40-40,931,989.20-8,118,937.80

Finding the Fourth Proportional to 27,287,555.40, 40,931,989.20 and 8,118,937.80

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Solution

The fourth proportional to 27,287,555.40, 40,931,989.20 and 8,118,937.80 is: 12,178,601.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,287,555.40 : 40,931,989.20 = 8,118,937.80 : x
  2. Step 2: Convert to fraction form
    27,287,555.40/40,931,989.20 = 8,118,937.80/x
  3. Step 3: Cross multiply
    27,287,555.40x = 40,931,989.20 × 8,118,937.80
  4. Step 4: Simplify right side
    27,287,555.40x = 332,324,274,345,071.75
  5. Step 5: Solve for x
    x = 332,324,274,345,071.75/27,287,555.40
  6. Step 6: Final answer
    x = 12,178,601.91

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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.