Home / 12,731,859.35-17,569,967.94-6,930,684.51

Finding the Fourth Proportional to 12,731,859.35, 17,569,967.94 and 6,930,684.51

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Solution

The fourth proportional to 12,731,859.35, 17,569,967.94 and 6,930,684.51 is: 9,564,345.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,731,859.35 : 17,569,967.94 = 6,930,684.51 : x
  2. Step 2: Convert to fraction form
    12,731,859.35/17,569,967.94 = 6,930,684.51/x
  3. Step 3: Cross multiply
    12,731,859.35x = 17,569,967.94 × 6,930,684.51
  4. Step 4: Simplify right side
    12,731,859.35x = 121,771,904,642,954.61
  5. Step 5: Solve for x
    x = 121,771,904,642,954.61/12,731,859.35
  6. Step 6: Final answer
    x = 9,564,345.74

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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.