Home / 30,715,375.95-42,386,939.73-16,776,728.10

Finding the Fourth Proportional to 30,715,375.95, 42,386,939.73 and 16,776,728.10

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Solution

The fourth proportional to 30,715,375.95, 42,386,939.73 and 16,776,728.10 is: 23,151,732.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,715,375.95 : 42,386,939.73 = 16,776,728.10 : x
  2. Step 2: Convert to fraction form
    30,715,375.95/42,386,939.73 = 16,776,728.10/x
  3. Step 3: Cross multiply
    30,715,375.95x = 42,386,939.73 × 16,776,728.10
  4. Step 4: Simplify right side
    30,715,375.95x = 711,114,162,841,297.38
  5. Step 5: Solve for x
    x = 711,114,162,841,297.38/30,715,375.95
  6. Step 6: Final answer
    x = 23,151,732.34

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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.