Home / 30,416,479.85-41,974,569.62-16,478,106.47

Finding the Fourth Proportional to 30,416,479.85, 41,974,569.62 and 16,478,106.47

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Solution

The fourth proportional to 30,416,479.85, 41,974,569.62 and 16,478,106.47 is: 22,739,693.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,416,479.85 : 41,974,569.62 = 16,478,106.47 : x
  2. Step 2: Convert to fraction form
    30,416,479.85/41,974,569.62 = 16,478,106.47/x
  3. Step 3: Cross multiply
    30,416,479.85x = 41,974,569.62 × 16,478,106.47
  4. Step 4: Simplify right side
    30,416,479.85x = 691,661,426,938,524.12
  5. Step 5: Solve for x
    x = 691,661,426,938,524.12/30,416,479.85
  6. Step 6: Final answer
    x = 22,739,693.43

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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.