Home / 12,819,356.08-17,690,626.08-7,018,235.32

Finding the Fourth Proportional to 12,819,356.08, 17,690,626.08 and 7,018,235.32

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Solution

The fourth proportional to 12,819,356.08, 17,690,626.08 and 7,018,235.32 is: 9,685,118.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,819,356.08 : 17,690,626.08 = 7,018,235.32 : x
  2. Step 2: Convert to fraction form
    12,819,356.08/17,690,626.08 = 7,018,235.32/x
  3. Step 3: Cross multiply
    12,819,356.08x = 17,690,626.08 × 7,018,235.32
  4. Step 4: Simplify right side
    12,819,356.08x = 124,156,976,787,569.14
  5. Step 5: Solve for x
    x = 124,156,976,787,569.14/12,819,356.08
  6. Step 6: Final answer
    x = 9,685,118.04

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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.