Home / 28,163,318.68-38,871,443.46-17,153,698.24

Finding the Fourth Proportional to 28,163,318.68, 38,871,443.46 and 17,153,698.24

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Solution

The fourth proportional to 28,163,318.68, 38,871,443.46 and 17,153,698.24 is: 23,675,796.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,163,318.68 : 38,871,443.46 = 17,153,698.24 : x
  2. Step 2: Convert to fraction form
    28,163,318.68/38,871,443.46 = 17,153,698.24/x
  3. Step 3: Cross multiply
    28,163,318.68x = 38,871,443.46 × 17,153,698.24
  4. Step 4: Simplify right side
    28,163,318.68x = 666,789,011,266,061.50
  5. Step 5: Solve for x
    x = 666,789,011,266,061.50/28,163,318.68
  6. Step 6: Final answer
    x = 23,675,796.83

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Double scale
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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.