Home / 15,230,835.80-21,018,430.90-8,261,496.04

Finding the Fourth Proportional to 15,230,835.80, 21,018,430.90 and 8,261,496.04

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Solution

The fourth proportional to 15,230,835.80, 21,018,430.90 and 8,261,496.04 is: 11,400,798.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,230,835.80 : 21,018,430.90 = 8,261,496.04 : x
  2. Step 2: Convert to fraction form
    15,230,835.80/21,018,430.90 = 8,261,496.04/x
  3. Step 3: Cross multiply
    15,230,835.80x = 21,018,430.90 × 8,261,496.04
  4. Step 4: Simplify right side
    15,230,835.80x = 173,643,683,647,363.62
  5. Step 5: Solve for x
    x = 173,643,683,647,363.62/15,230,835.80
  6. Step 6: Final answer
    x = 11,400,798.09

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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.