Home / 18,893,080.20-28,341,920.70-6,763,816.20

Finding the Fourth Proportional to 18,893,080.20, 28,341,920.70 and 6,763,816.20

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Solution

The fourth proportional to 18,893,080.20, 28,341,920.70 and 6,763,816.20 is: 10,146,547.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,893,080.20 : 28,341,920.70 = 6,763,816.20 : x
  2. Step 2: Convert to fraction form
    18,893,080.20/28,341,920.70 = 6,763,816.20/x
  3. Step 3: Cross multiply
    18,893,080.20x = 28,341,920.70 × 6,763,816.20
  4. Step 4: Simplify right side
    18,893,080.20x = 191,699,542,369,775.34
  5. Step 5: Solve for x
    x = 191,699,542,369,775.34/18,893,080.20
  6. Step 6: Final answer
    x = 10,146,547.85

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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.