Home / 8,328,113.40-11,467,247.47-7,289,810.55

Finding the Fourth Proportional to 8,328,113.40, 11,467,247.47 and 7,289,810.55

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Solution

The fourth proportional to 8,328,113.40, 11,467,247.47 and 7,289,810.55 is: 10,037,574.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,328,113.40 : 11,467,247.47 = 7,289,810.55 : x
  2. Step 2: Convert to fraction form
    8,328,113.40/11,467,247.47 = 7,289,810.55/x
  3. Step 3: Cross multiply
    8,328,113.40x = 11,467,247.47 × 7,289,810.55
  4. Step 4: Simplify right side
    8,328,113.40x = 83,594,061,586,266.81
  5. Step 5: Solve for x
    x = 83,594,061,586,266.81/8,328,113.40
  6. Step 6: Final answer
    x = 10,037,574.85

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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.