Home / 7,128,289.24-10,681,426.33-4,813,709.65

Finding the Fourth Proportional to 7,128,289.24, 10,681,426.33 and 4,813,709.65

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Solution

The fourth proportional to 7,128,289.24, 10,681,426.33 and 4,813,709.65 is: 7,213,131.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,128,289.24 : 10,681,426.33 = 4,813,709.65 : x
  2. Step 2: Convert to fraction form
    7,128,289.24/10,681,426.33 = 4,813,709.65/x
  3. Step 3: Cross multiply
    7,128,289.24x = 10,681,426.33 × 4,813,709.65
  4. Step 4: Simplify right side
    7,128,289.24x = 51,417,284,961,747.25
  5. Step 5: Solve for x
    x = 51,417,284,961,747.25/7,128,289.24
  6. Step 6: Final answer
    x = 7,213,131.12

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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.