Home / 12,697,356.29-19,041,160.61-5,406,193.38

Finding the Fourth Proportional to 12,697,356.29, 19,041,160.61 and 5,406,193.38

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Solution

The fourth proportional to 12,697,356.29, 19,041,160.61 and 5,406,193.38 is: 8,107,214.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,697,356.29 : 19,041,160.61 = 5,406,193.38 : x
  2. Step 2: Convert to fraction form
    12,697,356.29/19,041,160.61 = 5,406,193.38/x
  3. Step 3: Cross multiply
    12,697,356.29x = 19,041,160.61 × 5,406,193.38
  4. Step 4: Simplify right side
    12,697,356.29x = 102,940,196,384,702.22
  5. Step 5: Solve for x
    x = 102,940,196,384,702.22/12,697,356.29
  6. Step 6: Final answer
    x = 8,107,214.93

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.