Home / 6,908,371.40-10,362,459.90-3,121,848.20

Finding the Fourth Proportional to 6,908,371.40, 10,362,459.90 and 3,121,848.20

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Solution

The fourth proportional to 6,908,371.40, 10,362,459.90 and 3,121,848.20 is: 4,682,728.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,908,371.40 : 10,362,459.90 = 3,121,848.20 : x
  2. Step 2: Convert to fraction form
    6,908,371.40/10,362,459.90 = 3,121,848.20/x
  3. Step 3: Cross multiply
    6,908,371.40x = 10,362,459.90 × 3,121,848.20
  4. Step 4: Simplify right side
    6,908,371.40x = 32,350,026,786,387.18
  5. Step 5: Solve for x
    x = 32,350,026,786,387.18/6,908,371.40
  6. Step 6: Final answer
    x = 4,682,728.38

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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.