Home / 28,163,390.31-38,871,543.24-17,153,769.87

Finding the Fourth Proportional to 28,163,390.31, 38,871,543.24 and 17,153,769.87

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Solution

The fourth proportional to 28,163,390.31, 38,871,543.24 and 17,153,769.87 is: 23,675,896.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,163,390.31 : 38,871,543.24 = 17,153,769.87 : x
  2. Step 2: Convert to fraction form
    28,163,390.31/38,871,543.24 = 17,153,769.87/x
  3. Step 3: Cross multiply
    28,163,390.31x = 38,871,543.24 × 17,153,769.87
  4. Step 4: Simplify right side
    28,163,390.31x = 666,793,507,230,714.25
  5. Step 5: Solve for x
    x = 666,793,507,230,714.25/28,163,390.31
  6. Step 6: Final answer
    x = 23,675,896.26

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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.