Home / 13,258,865.80-19,888,298.70-6,871,076.20

Finding the Fourth Proportional to 13,258,865.80, 19,888,298.70 and 6,871,076.20

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Solution

The fourth proportional to 13,258,865.80, 19,888,298.70 and 6,871,076.20 is: 10,306,614.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,258,865.80 : 19,888,298.70 = 6,871,076.20 : x
  2. Step 2: Convert to fraction form
    13,258,865.80/19,888,298.70 = 6,871,076.20/x
  3. Step 3: Cross multiply
    13,258,865.80x = 19,888,298.70 × 6,871,076.20
  4. Step 4: Simplify right side
    13,258,865.80x = 136,654,015,856,060.94
  5. Step 5: Solve for x
    x = 136,654,015,856,060.94/13,258,865.80
  6. Step 6: Final answer
    x = 10,306,614.30

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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.