Home / 10,920,001.80-16,380,002.70-3,345,983.40

Finding the Fourth Proportional to 10,920,001.80, 16,380,002.70 and 3,345,983.40

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Solution

The fourth proportional to 10,920,001.80, 16,380,002.70 and 3,345,983.40 is: 5,018,975.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,920,001.80 : 16,380,002.70 = 3,345,983.40 : x
  2. Step 2: Convert to fraction form
    10,920,001.80/16,380,002.70 = 3,345,983.40/x
  3. Step 3: Cross multiply
    10,920,001.80x = 16,380,002.70 × 3,345,983.40
  4. Step 4: Simplify right side
    10,920,001.80x = 54,807,217,126,155.18
  5. Step 5: Solve for x
    x = 54,807,217,126,155.18/10,920,001.80
  6. Step 6: Final answer
    x = 5,018,975.10

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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.