Home / 8,579,343.12-12,865,085.82-5,122,652.02

Finding the Fourth Proportional to 8,579,343.12, 12,865,085.82 and 5,122,652.02

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Solution

The fourth proportional to 8,579,343.12, 12,865,085.82 and 5,122,652.02 is: 7,681,632.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,579,343.12 : 12,865,085.82 = 5,122,652.02 : x
  2. Step 2: Convert to fraction form
    8,579,343.12/12,865,085.82 = 5,122,652.02/x
  3. Step 3: Cross multiply
    8,579,343.12x = 12,865,085.82 × 5,122,652.02
  4. Step 4: Simplify right side
    8,579,343.12x = 65,903,357,831,133.64
  5. Step 5: Solve for x
    x = 65,903,357,831,133.64/8,579,343.12
  6. Step 6: Final answer
    x = 7,681,632.14

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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.