Home / 20,038,020.84-30,033,116.42-10,942,408.13

Finding the Fourth Proportional to 20,038,020.84, 30,033,116.42 and 10,942,408.13

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Solution

The fourth proportional to 20,038,020.84, 30,033,116.42 and 10,942,408.13 is: 16,400,552.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,038,020.84 : 30,033,116.42 = 10,942,408.13 : x
  2. Step 2: Convert to fraction form
    20,038,020.84/30,033,116.42 = 10,942,408.13/x
  3. Step 3: Cross multiply
    20,038,020.84x = 30,033,116.42 × 10,942,408.13
  4. Step 4: Simplify right side
    20,038,020.84x = 328,634,617,078,566.88
  5. Step 5: Solve for x
    x = 328,634,617,078,566.88/20,038,020.84
  6. Step 6: Final answer
    x = 16,400,552.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.