Home / 15,088,769-20,819,349.48-9,869,425.46

Finding the Fourth Proportional to 15,088,769, 20,819,349.48 and 9,869,425.46

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Solution

The fourth proportional to 15,088,769, 20,819,349.48 and 9,869,425.46 is: 13,617,745.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,088,769 : 20,819,349.48 = 9,869,425.46 : x
  2. Step 2: Convert to fraction form
    15,088,769/20,819,349.48 = 9,869,425.46/x
  3. Step 3: Cross multiply
    15,088,769x = 20,819,349.48 × 9,869,425.46
  4. Step 4: Simplify right side
    15,088,769x = 205,475,017,818,549.78
  5. Step 5: Solve for x
    x = 205,475,017,818,549.78/15,088,769
  6. Step 6: Final answer
    x = 13,617,745.61

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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.