Home / 12,476,320.32-17,216,361.12-7,044,348.48

Finding the Fourth Proportional to 12,476,320.32, 17,216,361.12 and 7,044,348.48

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Solution

The fourth proportional to 12,476,320.32, 17,216,361.12 and 7,044,348.48 is: 9,720,658.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,476,320.32 : 17,216,361.12 = 7,044,348.48 : x
  2. Step 2: Convert to fraction form
    12,476,320.32/17,216,361.12 = 7,044,348.48/x
  3. Step 3: Cross multiply
    12,476,320.32x = 17,216,361.12 × 7,044,348.48
  4. Step 4: Simplify right side
    12,476,320.32x = 121,278,047,286,803.11
  5. Step 5: Solve for x
    x = 121,278,047,286,803.11/12,476,320.32
  6. Step 6: Final answer
    x = 9,720,658.35

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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.