Home / 30,641,732.40-42,285,570.84-16,703,114.16

Finding the Fourth Proportional to 30,641,732.40, 42,285,570.84 and 16,703,114.16

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Solution

The fourth proportional to 30,641,732.40, 42,285,570.84 and 16,703,114.16 is: 23,050,286.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,641,732.40 : 42,285,570.84 = 16,703,114.16 : x
  2. Step 2: Convert to fraction form
    30,641,732.40/42,285,570.84 = 16,703,114.16/x
  3. Step 3: Cross multiply
    30,641,732.40x = 42,285,570.84 × 16,703,114.16
  4. Step 4: Simplify right side
    30,641,732.40x = 706,300,717,061,287.12
  5. Step 5: Solve for x
    x = 706,300,717,061,287.12/30,641,732.40
  6. Step 6: Final answer
    x = 23,050,286.71

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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.