Home / 18,714,007.80-28,071,011.70-6,585,343.20

Finding the Fourth Proportional to 18,714,007.80, 28,071,011.70 and 6,585,343.20

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Solution

The fourth proportional to 18,714,007.80, 28,071,011.70 and 6,585,343.20 is: 9,878,014.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,714,007.80 : 28,071,011.70 = 6,585,343.20 : x
  2. Step 2: Convert to fraction form
    18,714,007.80/28,071,011.70 = 6,585,343.20/x
  3. Step 3: Cross multiply
    18,714,007.80x = 28,071,011.70 × 6,585,343.20
  4. Step 4: Simplify right side
    18,714,007.80x = 184,857,246,015,715.44
  5. Step 5: Solve for x
    x = 184,857,246,015,715.44/18,714,007.80
  6. Step 6: Final answer
    x = 9,878,014.80

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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.