Home / 28,088,654.81-42,132,981.65-7,893,896.81

Finding the Fourth Proportional to 28,088,654.81, 42,132,981.65 and 7,893,896.81

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Solution

The fourth proportional to 28,088,654.81, 42,132,981.65 and 7,893,896.81 is: 11,840,845.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,088,654.81 : 42,132,981.65 = 7,893,896.81 : x
  2. Step 2: Convert to fraction form
    28,088,654.81/42,132,981.65 = 7,893,896.81/x
  3. Step 3: Cross multiply
    28,088,654.81x = 42,132,981.65 × 7,893,896.81
  4. Step 4: Simplify right side
    28,088,654.81x = 332,593,409,192,589.19
  5. Step 5: Solve for x
    x = 332,593,409,192,589.19/28,088,654.81
  6. Step 6: Final answer
    x = 11,840,845.05

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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.