Home / 15,248,633.20-21,025,333.08-11,374,428.31

Finding the Fourth Proportional to 15,248,633.20, 21,025,333.08 and 11,374,428.31

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Solution

The fourth proportional to 15,248,633.20, 21,025,333.08 and 11,374,428.31 is: 15,683,447.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,248,633.20 : 21,025,333.08 = 11,374,428.31 : x
  2. Step 2: Convert to fraction form
    15,248,633.20/21,025,333.08 = 11,374,428.31/x
  3. Step 3: Cross multiply
    15,248,633.20x = 21,025,333.08 × 11,374,428.31
  4. Step 4: Simplify right side
    15,248,633.20x = 239,151,143,759,768.12
  5. Step 5: Solve for x
    x = 239,151,143,759,768.12/15,248,633.20
  6. Step 6: Final answer
    x = 15,683,447.86

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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.