Home / 30,579,115.06-42,199,184.96-16,828,079.19

Finding the Fourth Proportional to 30,579,115.06, 42,199,184.96 and 16,828,079.19

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Solution

The fourth proportional to 30,579,115.06, 42,199,184.96 and 16,828,079.19 is: 23,222,752.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,579,115.06 : 42,199,184.96 = 16,828,079.19 : x
  2. Step 2: Convert to fraction form
    30,579,115.06/42,199,184.96 = 16,828,079.19/x
  3. Step 3: Cross multiply
    30,579,115.06x = 42,199,184.96 × 16,828,079.19
  4. Step 4: Simplify right side
    30,579,115.06x = 710,131,226,260,337
  5. Step 5: Solve for x
    x = 710,131,226,260,337/30,579,115.06
  6. Step 6: Final answer
    x = 23,222,752.68

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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.