Home / 15,230,833.98-21,018,428.40-8,261,494.21

Finding the Fourth Proportional to 15,230,833.98, 21,018,428.40 and 8,261,494.21

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Solution

The fourth proportional to 15,230,833.98, 21,018,428.40 and 8,261,494.21 is: 11,400,795.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,230,833.98 : 21,018,428.40 = 8,261,494.21 : x
  2. Step 2: Convert to fraction form
    15,230,833.98/21,018,428.40 = 8,261,494.21/x
  3. Step 3: Cross multiply
    15,230,833.98x = 21,018,428.40 × 8,261,494.21
  4. Step 4: Simplify right side
    15,230,833.98x = 173,643,624,529,899.56
  5. Step 5: Solve for x
    x = 173,643,624,529,899.56/15,230,833.98
  6. Step 6: Final answer
    x = 11,400,795.57

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1.5x scale

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.