Home / 7,762,763.79-10,712,687.24-4,278,228.22

Finding the Fourth Proportional to 7,762,763.79, 10,712,687.24 and 4,278,228.22

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Solution

The fourth proportional to 7,762,763.79, 10,712,687.24 and 4,278,228.22 is: 5,903,995.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,762,763.79 : 10,712,687.24 = 4,278,228.22 : x
  2. Step 2: Convert to fraction form
    7,762,763.79/10,712,687.24 = 4,278,228.22/x
  3. Step 3: Cross multiply
    7,762,763.79x = 10,712,687.24 × 4,278,228.22
  4. Step 4: Simplify right side
    7,762,763.79x = 45,831,320,862,201.91
  5. Step 5: Solve for x
    x = 45,831,320,862,201.91/7,762,763.79
  6. Step 6: Final answer
    x = 5,903,995.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.