Home / 13,490,294.84-18,622,686.52-8,602,087.40

Finding the Fourth Proportional to 13,490,294.84, 18,622,686.52 and 8,602,087.40

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Solution

The fourth proportional to 13,490,294.84, 18,622,686.52 and 8,602,087.40 is: 11,874,757.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,490,294.84 : 18,622,686.52 = 8,602,087.40 : x
  2. Step 2: Convert to fraction form
    13,490,294.84/18,622,686.52 = 8,602,087.40/x
  3. Step 3: Cross multiply
    13,490,294.84x = 18,622,686.52 × 8,602,087.40
  4. Step 4: Simplify right side
    13,490,294.84x = 160,193,976,974,728.41
  5. Step 5: Solve for x
    x = 160,193,976,974,728.41/13,490,294.84
  6. Step 6: Final answer
    x = 11,874,757.29

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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.