Home / 20,699,095.40-31,048,643.10-9,361,687.40

Finding the Fourth Proportional to 20,699,095.40, 31,048,643.10 and 9,361,687.40

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Solution

The fourth proportional to 20,699,095.40, 31,048,643.10 and 9,361,687.40 is: 14,042,531.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,699,095.40 : 31,048,643.10 = 9,361,687.40 : x
  2. Step 2: Convert to fraction form
    20,699,095.40/31,048,643.10 = 9,361,687.40/x
  3. Step 3: Cross multiply
    20,699,095.40x = 31,048,643.10 × 9,361,687.40
  4. Step 4: Simplify right side
    20,699,095.40x = 290,667,690,896,366.94
  5. Step 5: Solve for x
    x = 290,667,690,896,366.94/20,699,095.40
  6. Step 6: Final answer
    x = 14,042,531.10

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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.