Home / 12,658,378.43-17,468,615.75-6,857,160.17

Finding the Fourth Proportional to 12,658,378.43, 17,468,615.75 and 6,857,160.17

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Solution

The fourth proportional to 12,658,378.43, 17,468,615.75 and 6,857,160.17 is: 9,462,910.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,658,378.43 : 17,468,615.75 = 6,857,160.17 : x
  2. Step 2: Convert to fraction form
    12,658,378.43/17,468,615.75 = 6,857,160.17/x
  3. Step 3: Cross multiply
    12,658,378.43x = 17,468,615.75 × 6,857,160.17
  4. Step 4: Simplify right side
    12,658,378.43x = 119,785,096,024,305.81
  5. Step 5: Solve for x
    x = 119,785,096,024,305.81/12,658,378.43
  6. Step 6: Final answer
    x = 9,462,910.01

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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.