Home / 15,190,116.04-20,962,390.98-8,315,036.92

Finding the Fourth Proportional to 15,190,116.04, 20,962,390.98 and 8,315,036.92

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Solution

The fourth proportional to 15,190,116.04, 20,962,390.98 and 8,315,036.92 is: 11,474,767.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,190,116.04 : 20,962,390.98 = 8,315,036.92 : x
  2. Step 2: Convert to fraction form
    15,190,116.04/20,962,390.98 = 8,315,036.92/x
  3. Step 3: Cross multiply
    15,190,116.04x = 20,962,390.98 × 8,315,036.92
  4. Step 4: Simplify right side
    15,190,116.04x = 174,303,054,930,174.97
  5. Step 5: Solve for x
    x = 174,303,054,930,174.97/15,190,116.04
  6. Step 6: Final answer
    x = 11,474,767.83

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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.