Home / 11,071,720.80-16,607,581.20-5,088,088.80

Finding the Fourth Proportional to 11,071,720.80, 16,607,581.20 and 5,088,088.80

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Solution

The fourth proportional to 11,071,720.80, 16,607,581.20 and 5,088,088.80 is: 7,632,133.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,071,720.80 : 16,607,581.20 = 5,088,088.80 : x
  2. Step 2: Convert to fraction form
    11,071,720.80/16,607,581.20 = 5,088,088.80/x
  3. Step 3: Cross multiply
    11,071,720.80x = 16,607,581.20 × 5,088,088.80
  4. Step 4: Simplify right side
    11,071,720.80x = 84,500,847,898,810.55
  5. Step 5: Solve for x
    x = 84,500,847,898,810.55/11,071,720.80
  6. Step 6: Final answer
    x = 7,632,133.20

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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.