Home / 28,088,653.04-42,132,979.06-7,893,895.04

Finding the Fourth Proportional to 28,088,653.04, 42,132,979.06 and 7,893,895.04

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Solution

The fourth proportional to 28,088,653.04, 42,132,979.06 and 7,893,895.04 is: 11,840,842.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,088,653.04 : 42,132,979.06 = 7,893,895.04 : x
  2. Step 2: Convert to fraction form
    28,088,653.04/42,132,979.06 = 7,893,895.04/x
  3. Step 3: Cross multiply
    28,088,653.04x = 42,132,979.06 × 7,893,895.04
  4. Step 4: Simplify right side
    28,088,653.04x = 332,593,314,422,157.88
  5. Step 5: Solve for x
    x = 332,593,314,422,157.88/28,088,653.04
  6. Step 6: Final answer
    x = 11,840,842.42

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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.