Home / 11,178,002.80-16,767,004.20-9,288,434.80

Finding the Fourth Proportional to 11,178,002.80, 16,767,004.20 and 9,288,434.80

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Solution

The fourth proportional to 11,178,002.80, 16,767,004.20 and 9,288,434.80 is: 13,932,652.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,178,002.80 : 16,767,004.20 = 9,288,434.80 : x
  2. Step 2: Convert to fraction form
    11,178,002.80/16,767,004.20 = 9,288,434.80/x
  3. Step 3: Cross multiply
    11,178,002.80x = 16,767,004.20 × 9,288,434.80
  4. Step 4: Simplify right side
    11,178,002.80x = 155,739,225,303,026.16
  5. Step 5: Solve for x
    x = 155,739,225,303,026.16/11,178,002.80
  6. Step 6: Final answer
    x = 13,932,652.20

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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.