Home / 13,521,523.58-18,666,136.90-9,058,763.07

Finding the Fourth Proportional to 13,521,523.58, 18,666,136.90 and 9,058,763.07

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Solution

The fourth proportional to 13,521,523.58, 18,666,136.90 and 9,058,763.07 is: 12,505,403.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,521,523.58 : 18,666,136.90 = 9,058,763.07 : x
  2. Step 2: Convert to fraction form
    13,521,523.58/18,666,136.90 = 9,058,763.07/x
  3. Step 3: Cross multiply
    13,521,523.58x = 18,666,136.90 × 9,058,763.07
  4. Step 4: Simplify right side
    13,521,523.58x = 169,092,111,609,284.28
  5. Step 5: Solve for x
    x = 169,092,111,609,284.28/13,521,523.58
  6. Step 6: Final answer
    x = 12,505,403.74

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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.