Home / 10,652,355.40-15,965,411.10-7,240,635.40

Finding the Fourth Proportional to 10,652,355.40, 15,965,411.10 and 7,240,635.40

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Solution

The fourth proportional to 10,652,355.40, 15,965,411.10 and 7,240,635.40 is: 10,852,033.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,652,355.40 : 15,965,411.10 = 7,240,635.40 : x
  2. Step 2: Convert to fraction form
    10,652,355.40/15,965,411.10 = 7,240,635.40/x
  3. Step 3: Cross multiply
    10,652,355.40x = 15,965,411.10 × 7,240,635.40
  4. Step 4: Simplify right side
    10,652,355.40x = 115,599,720,786,212.94
  5. Step 5: Solve for x
    x = 115,599,720,786,212.94/10,652,355.40
  6. Step 6: Final answer
    x = 10,852,033.79

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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.