Home / 19,026,079.92-26,245,009.80-12,142,803.60

Finding the Fourth Proportional to 19,026,079.92, 26,245,009.80 and 12,142,803.60

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Solution

The fourth proportional to 19,026,079.92, 26,245,009.80 and 12,142,803.60 is: 16,750,061.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,026,079.92 : 26,245,009.80 = 12,142,803.60 : x
  2. Step 2: Convert to fraction form
    19,026,079.92/26,245,009.80 = 12,142,803.60/x
  3. Step 3: Cross multiply
    19,026,079.92x = 26,245,009.80 × 12,142,803.60
  4. Step 4: Simplify right side
    19,026,079.92x = 318,687,999,481,475.25
  5. Step 5: Solve for x
    x = 318,687,999,481,475.25/19,026,079.92
  6. Step 6: Final answer
    x = 16,750,061.01

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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.