Home / 15,519,342.24-21,412,915.08-10,220,490.24

Finding the Fourth Proportional to 15,519,342.24, 21,412,915.08 and 10,220,490.24

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Solution

The fourth proportional to 15,519,342.24, 21,412,915.08 and 10,220,490.24 is: 14,101,788.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,519,342.24 : 21,412,915.08 = 10,220,490.24 : x
  2. Step 2: Convert to fraction form
    15,519,342.24/21,412,915.08 = 10,220,490.24/x
  3. Step 3: Cross multiply
    15,519,342.24x = 21,412,915.08 × 10,220,490.24
  4. Step 4: Simplify right side
    15,519,342.24x = 218,850,489,585,088.81
  5. Step 5: Solve for x
    x = 218,850,489,585,088.81/15,519,342.24
  6. Step 6: Final answer
    x = 14,101,788.99

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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.