Home / 7,875,443.28-11,855,709.21-7,083,574.32

Finding the Fourth Proportional to 7,875,443.28, 11,855,709.21 and 7,083,574.32

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Solution

The fourth proportional to 7,875,443.28, 11,855,709.21 and 7,083,574.32 is: 10,663,627.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,875,443.28 : 11,855,709.21 = 7,083,574.32 : x
  2. Step 2: Convert to fraction form
    7,875,443.28/11,855,709.21 = 7,083,574.32/x
  3. Step 3: Cross multiply
    7,875,443.28x = 11,855,709.21 × 7,083,574.32
  4. Step 4: Simplify right side
    7,875,443.28x = 83,980,797,305,343.50
  5. Step 5: Solve for x
    x = 83,980,797,305,343.50/7,875,443.28
  6. Step 6: Final answer
    x = 10,663,627.98

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.