Home / 30,448,832.44-42,019,343.80-16,510,162.21

Finding the Fourth Proportional to 30,448,832.44, 42,019,343.80 and 16,510,162.21

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Solution

The fourth proportional to 30,448,832.44, 42,019,343.80 and 16,510,162.21 is: 22,783,999.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,448,832.44 : 42,019,343.80 = 16,510,162.21 : x
  2. Step 2: Convert to fraction form
    30,448,832.44/42,019,343.80 = 16,510,162.21/x
  3. Step 3: Cross multiply
    30,448,832.44x = 42,019,343.80 × 16,510,162.21
  4. Step 4: Simplify right side
    30,448,832.44x = 693,746,182,013,207
  5. Step 5: Solve for x
    x = 693,746,182,013,207/30,448,832.44
  6. Step 6: Final answer
    x = 22,783,999.47

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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.