Home / 13,811,862.89-19,064,046.78-8,158,908.40

Finding the Fourth Proportional to 13,811,862.89, 19,064,046.78 and 8,158,908.40

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Solution

The fourth proportional to 13,811,862.89, 19,064,046.78 and 8,158,908.40 is: 11,261,465.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,811,862.89 : 19,064,046.78 = 8,158,908.40 : x
  2. Step 2: Convert to fraction form
    13,811,862.89/19,064,046.78 = 8,158,908.40/x
  3. Step 3: Cross multiply
    13,811,862.89x = 19,064,046.78 × 8,158,908.40
  4. Step 4: Simplify right side
    13,811,862.89x = 155,541,811,363,674.84
  5. Step 5: Solve for x
    x = 155,541,811,363,674.84/13,811,862.89
  6. Step 6: Final answer
    x = 11,261,465.06

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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.