Home / 8,171,642.42-11,276,032.02-5,031,407.42

Finding the Fourth Proportional to 8,171,642.42, 11,276,032.02 and 5,031,407.42

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Solution

The fourth proportional to 8,171,642.42, 11,276,032.02 and 5,031,407.42 is: 6,942,828.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,171,642.42 : 11,276,032.02 = 5,031,407.42 : x
  2. Step 2: Convert to fraction form
    8,171,642.42/11,276,032.02 = 5,031,407.42/x
  3. Step 3: Cross multiply
    8,171,642.42x = 11,276,032.02 × 5,031,407.42
  4. Step 4: Simplify right side
    8,171,642.42x = 56,734,311,173,585.59
  5. Step 5: Solve for x
    x = 56,734,311,173,585.59/8,171,642.42
  6. Step 6: Final answer
    x = 6,942,828.41

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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.