Home / 21,047,525.90-29,029,580.82-18,112,290.32

Finding the Fourth Proportional to 21,047,525.90, 29,029,580.82 and 18,112,290.32

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Solution

The fourth proportional to 21,047,525.90, 29,029,580.82 and 18,112,290.32 is: 24,981,187.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,047,525.90 : 29,029,580.82 = 18,112,290.32 : x
  2. Step 2: Convert to fraction form
    21,047,525.90/29,029,580.82 = 18,112,290.32/x
  3. Step 3: Cross multiply
    21,047,525.90x = 29,029,580.82 × 18,112,290.32
  4. Step 4: Simplify right side
    21,047,525.90x = 525,792,195,534,595.81
  5. Step 5: Solve for x
    x = 525,792,195,534,595.81/21,047,525.90
  6. Step 6: Final answer
    x = 24,981,187.73

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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.