Home / 30,715,359.38-42,386,916.87-16,776,711.57

Finding the Fourth Proportional to 30,715,359.38, 42,386,916.87 and 16,776,711.57

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Solution

The fourth proportional to 30,715,359.38, 42,386,916.87 and 16,776,711.57 is: 23,151,709.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,715,359.38 : 42,386,916.87 = 16,776,711.57 : x
  2. Step 2: Convert to fraction form
    30,715,359.38/42,386,916.87 = 16,776,711.57/x
  3. Step 3: Cross multiply
    30,715,359.38x = 42,386,916.87 × 16,776,711.57
  4. Step 4: Simplify right side
    30,715,359.38x = 711,113,078,669,557.12
  5. Step 5: Solve for x
    x = 711,113,078,669,557.12/30,715,359.38
  6. Step 6: Final answer
    x = 23,151,709.54

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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.