Home / 18,842,087.40-28,265,204.70-6,877,415.40

Finding the Fourth Proportional to 18,842,087.40, 28,265,204.70 and 6,877,415.40

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Solution

The fourth proportional to 18,842,087.40, 28,265,204.70 and 6,877,415.40 is: 10,316,879.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,842,087.40 : 28,265,204.70 = 6,877,415.40 : x
  2. Step 2: Convert to fraction form
    18,842,087.40/28,265,204.70 = 6,877,415.40/x
  3. Step 3: Cross multiply
    18,842,087.40x = 28,265,204.70 × 6,877,415.40
  4. Step 4: Simplify right side
    18,842,087.40x = 194,391,554,087,932.38
  5. Step 5: Solve for x
    x = 194,391,554,087,932.38/18,842,087.40
  6. Step 6: Final answer
    x = 10,316,879.97

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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.