Home / 12,686,894.43-17,507,931.21-6,885,676.17

Finding the Fourth Proportional to 12,686,894.43, 17,507,931.21 and 6,885,676.17

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Solution

The fourth proportional to 12,686,894.43, 17,507,931.21 and 6,885,676.17 is: 9,502,242.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,686,894.43 : 17,507,931.21 = 6,885,676.17 : x
  2. Step 2: Convert to fraction form
    12,686,894.43/17,507,931.21 = 6,885,676.17/x
  3. Step 3: Cross multiply
    12,686,894.43x = 17,507,931.21 × 6,885,676.17
  4. Step 4: Simplify right side
    12,686,894.43x = 120,553,944,718,696.27
  5. Step 5: Solve for x
    x = 120,553,944,718,696.27/12,686,894.43
  6. Step 6: Final answer
    x = 9,502,242.29

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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.