Home / 7,650,602.84-10,557,900.78-4,212,857.72

Finding the Fourth Proportional to 7,650,602.84, 10,557,900.78 and 4,212,857.72

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Solution

The fourth proportional to 7,650,602.84, 10,557,900.78 and 4,212,857.72 is: 5,813,781.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,650,602.84 : 10,557,900.78 = 4,212,857.72 : x
  2. Step 2: Convert to fraction form
    7,650,602.84/10,557,900.78 = 4,212,857.72/x
  3. Step 3: Cross multiply
    7,650,602.84x = 10,557,900.78 × 4,212,857.72
  4. Step 4: Simplify right side
    7,650,602.84x = 44,478,933,808,017.02
  5. Step 5: Solve for x
    x = 44,478,933,808,017.02/7,650,602.84
  6. Step 6: Final answer
    x = 5,813,781.57

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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.