Home / 7,650,628-10,557,866.64-4,212,860.84

Finding the Fourth Proportional to 7,650,628, 10,557,866.64 and 4,212,860.84

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Solution

The fourth proportional to 7,650,628, 10,557,866.64 and 4,212,860.84 is: 5,813,747.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,650,628 : 10,557,866.64 = 4,212,860.84 : x
  2. Step 2: Convert to fraction form
    7,650,628/10,557,866.64 = 4,212,860.84/x
  3. Step 3: Cross multiply
    7,650,628x = 10,557,866.64 × 4,212,860.84
  4. Step 4: Simplify right side
    7,650,628x = 44,478,822,921,598.38
  5. Step 5: Solve for x
    x = 44,478,822,921,598.38/7,650,628
  6. Step 6: Final answer
    x = 5,813,747.96

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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.