Home / 21,315,586.16-31,961,140.36-8,346,552.30

Finding the Fourth Proportional to 21,315,586.16, 31,961,140.36 and 8,346,552.30

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Solution

The fourth proportional to 21,315,586.16, 31,961,140.36 and 8,346,552.30 is: 12,515,036.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,315,586.16 : 31,961,140.36 = 8,346,552.30 : x
  2. Step 2: Convert to fraction form
    21,315,586.16/31,961,140.36 = 8,346,552.30/x
  3. Step 3: Cross multiply
    21,315,586.16x = 31,961,140.36 × 8,346,552.30
  4. Step 4: Simplify right side
    21,315,586.16x = 266,765,329,582,380.81
  5. Step 5: Solve for x
    x = 266,765,329,582,380.81/21,315,586.16
  6. Step 6: Final answer
    x = 12,515,036.07

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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.