Home / 21,014,585.10-31,521,877.65-7,383,123.45

Finding the Fourth Proportional to 21,014,585.10, 31,521,877.65 and 7,383,123.45

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Solution

The fourth proportional to 21,014,585.10, 31,521,877.65 and 7,383,123.45 is: 11,074,685.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,014,585.10 : 31,521,877.65 = 7,383,123.45 : x
  2. Step 2: Convert to fraction form
    21,014,585.10/31,521,877.65 = 7,383,123.45/x
  3. Step 3: Cross multiply
    21,014,585.10x = 31,521,877.65 × 7,383,123.45
  4. Step 4: Simplify right side
    21,014,585.10x = 232,729,914,065,745.88
  5. Step 5: Solve for x
    x = 232,729,914,065,745.88/21,014,585.10
  6. Step 6: Final answer
    x = 11,074,685.18

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1.5x scale

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.