Home / 14,990,728.44-20,687,272.32-8,115,210.48

Finding the Fourth Proportional to 14,990,728.44, 20,687,272.32 and 8,115,210.48

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Solution

The fourth proportional to 14,990,728.44, 20,687,272.32 and 8,115,210.48 is: 11,199,026.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,990,728.44 : 20,687,272.32 = 8,115,210.48 : x
  2. Step 2: Convert to fraction form
    14,990,728.44/20,687,272.32 = 8,115,210.48/x
  3. Step 3: Cross multiply
    14,990,728.44x = 20,687,272.32 × 8,115,210.48
  4. Step 4: Simplify right side
    14,990,728.44x = 167,881,569,133,877.94
  5. Step 5: Solve for x
    x = 167,881,569,133,877.94/14,990,728.44
  6. Step 6: Final answer
    x = 11,199,026.77

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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.