Home / 22,202,636.98-30,637,948.53-13,499,601.70

Finding the Fourth Proportional to 22,202,636.98, 30,637,948.53 and 13,499,601.70

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Solution

The fourth proportional to 22,202,636.98, 30,637,948.53 and 13,499,601.70 is: 18,628,422.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,202,636.98 : 30,637,948.53 = 13,499,601.70 : x
  2. Step 2: Convert to fraction form
    22,202,636.98/30,637,948.53 = 13,499,601.70/x
  3. Step 3: Cross multiply
    22,202,636.98x = 30,637,948.53 × 13,499,601.70
  4. Step 4: Simplify right side
    22,202,636.98x = 413,600,102,060,100.50
  5. Step 5: Solve for x
    x = 413,600,102,060,100.50/22,202,636.98
  6. Step 6: Final answer
    x = 18,628,422.49

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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.