Home / 10,508,142.65-15,761,653.46-2,831,664.24

Finding the Fourth Proportional to 10,508,142.65, 15,761,653.46 and 2,831,664.24

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Solution

The fourth proportional to 10,508,142.65, 15,761,653.46 and 2,831,664.24 is: 4,247,345.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,508,142.65 : 15,761,653.46 = 2,831,664.24 : x
  2. Step 2: Convert to fraction form
    10,508,142.65/15,761,653.46 = 2,831,664.24/x
  3. Step 3: Cross multiply
    10,508,142.65x = 15,761,653.46 × 2,831,664.24
  4. Step 4: Simplify right side
    10,508,142.65x = 44,631,710,428,703.78
  5. Step 5: Solve for x
    x = 44,631,710,428,703.78/10,508,142.65
  6. Step 6: Final answer
    x = 4,247,345.31

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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.