Home / 13,206,670.20-19,810,005.30-8,923,649.40

Finding the Fourth Proportional to 13,206,670.20, 19,810,005.30 and 8,923,649.40

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Solution

The fourth proportional to 13,206,670.20, 19,810,005.30 and 8,923,649.40 is: 13,385,474.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,206,670.20 : 19,810,005.30 = 8,923,649.40 : x
  2. Step 2: Convert to fraction form
    13,206,670.20/19,810,005.30 = 8,923,649.40/x
  3. Step 3: Cross multiply
    13,206,670.20x = 19,810,005.30 × 8,923,649.40
  4. Step 4: Simplify right side
    13,206,670.20x = 176,777,541,909,341.84
  5. Step 5: Solve for x
    x = 176,777,541,909,341.84/13,206,670.20
  6. Step 6: Final answer
    x = 13,385,474.10

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1.5x scale

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.