Home / 9,412,913.67-12,989,274.80-5,282,559.06

Finding the Fourth Proportional to 9,412,913.67, 12,989,274.80 and 5,282,559.06

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Solution

The fourth proportional to 9,412,913.67, 12,989,274.80 and 5,282,559.06 is: 7,289,625.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,412,913.67 : 12,989,274.80 = 5,282,559.06 : x
  2. Step 2: Convert to fraction form
    9,412,913.67/12,989,274.80 = 5,282,559.06/x
  3. Step 3: Cross multiply
    9,412,913.67x = 12,989,274.80 × 5,282,559.06
  4. Step 4: Simplify right side
    9,412,913.67x = 68,616,611,251,156.89
  5. Step 5: Solve for x
    x = 68,616,611,251,156.89/9,412,913.67
  6. Step 6: Final answer
    x = 7,289,625.05

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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.