Home / 30,585,021.84-42,207,327.79-16,646,476.88

Finding the Fourth Proportional to 30,585,021.84, 42,207,327.79 and 16,646,476.88

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Solution

The fourth proportional to 30,585,021.84, 42,207,327.79 and 16,646,476.88 is: 22,972,136.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,585,021.84 : 42,207,327.79 = 16,646,476.88 : x
  2. Step 2: Convert to fraction form
    30,585,021.84/42,207,327.79 = 16,646,476.88/x
  3. Step 3: Cross multiply
    30,585,021.84x = 42,207,327.79 × 16,646,476.88
  4. Step 4: Simplify right side
    30,585,021.84x = 702,603,306,286,718.62
  5. Step 5: Solve for x
    x = 702,603,306,286,718.62/30,585,021.84
  6. Step 6: Final answer
    x = 22,972,136.82

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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.