Home / 13,858,287.66-19,124,560.90-7,663,751.16

Finding the Fourth Proportional to 13,858,287.66, 19,124,560.90 and 7,663,751.16

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Solution

The fourth proportional to 13,858,287.66, 19,124,560.90 and 7,663,751.16 is: 10,576,045.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,858,287.66 : 19,124,560.90 = 7,663,751.16 : x
  2. Step 2: Convert to fraction form
    13,858,287.66/19,124,560.90 = 7,663,751.16/x
  3. Step 3: Cross multiply
    13,858,287.66x = 19,124,560.90 × 7,663,751.16
  4. Step 4: Simplify right side
    13,858,287.66x = 146,565,875,783,615
  5. Step 5: Solve for x
    x = 146,565,875,783,615/13,858,287.66
  6. Step 6: Final answer
    x = 10,576,045.14

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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.