Home / 10,456,321.40-15,690,054.90-4,066,782.20

Finding the Fourth Proportional to 10,456,321.40, 15,690,054.90 and 4,066,782.20

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Solution

The fourth proportional to 10,456,321.40, 15,690,054.90 and 4,066,782.20 is: 6,102,340.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,456,321.40 : 15,690,054.90 = 4,066,782.20 : x
  2. Step 2: Convert to fraction form
    10,456,321.40/15,690,054.90 = 4,066,782.20/x
  3. Step 3: Cross multiply
    10,456,321.40x = 15,690,054.90 × 4,066,782.20
  4. Step 4: Simplify right side
    10,456,321.40x = 63,808,035,984,342.78
  5. Step 5: Solve for x
    x = 63,808,035,984,342.78/10,456,321.40
  6. Step 6: Final answer
    x = 6,102,340.73

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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.