Home / 10,646,521.80-15,976,343.70-4,256,107.80

Finding the Fourth Proportional to 10,646,521.80, 15,976,343.70 and 4,256,107.80

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Solution

The fourth proportional to 10,646,521.80, 15,976,343.70 and 4,256,107.80 is: 6,386,784.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,646,521.80 : 15,976,343.70 = 4,256,107.80 : x
  2. Step 2: Convert to fraction form
    10,646,521.80/15,976,343.70 = 4,256,107.80/x
  3. Step 3: Cross multiply
    10,646,521.80x = 15,976,343.70 × 4,256,107.80
  4. Step 4: Simplify right side
    10,646,521.80x = 67,997,041,037,050.85
  5. Step 5: Solve for x
    x = 67,997,041,037,050.85/10,646,521.80
  6. Step 6: Final answer
    x = 6,386,784.56

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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.