Home / 54,062,153.19-81,092,370.78-13,121,931.15

Finding the Fourth Proportional to 54,062,153.19, 81,092,370.78 and 13,121,931.15

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Solution

The fourth proportional to 54,062,153.19, 81,092,370.78 and 13,121,931.15 is: 19,682,688.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,062,153.19 : 81,092,370.78 = 13,121,931.15 : x
  2. Step 2: Convert to fraction form
    54,062,153.19/81,092,370.78 = 13,121,931.15/x
  3. Step 3: Cross multiply
    54,062,153.19x = 81,092,370.78 × 13,121,931.15
  4. Step 4: Simplify right side
    54,062,153.19x = 1,064,088,506,165,431.88
  5. Step 5: Solve for x
    x = 1,064,088,506,165,431.88/54,062,153.19
  6. Step 6: Final answer
    x = 19,682,688.23

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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.