Home / 31,381,498.47-47,072,717.25-11,951,797.51

Finding the Fourth Proportional to 31,381,498.47, 47,072,717.25 and 11,951,797.51

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Solution

The fourth proportional to 31,381,498.47, 47,072,717.25 and 11,951,797.51 is: 17,927,875.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,381,498.47 : 47,072,717.25 = 11,951,797.51 : x
  2. Step 2: Convert to fraction form
    31,381,498.47/47,072,717.25 = 11,951,797.51/x
  3. Step 3: Cross multiply
    31,381,498.47x = 47,072,717.25 × 11,951,797.51
  4. Step 4: Simplify right side
    31,381,498.47x = 562,603,584,817,484.06
  5. Step 5: Solve for x
    x = 562,603,584,817,484.06/31,381,498.47
  6. Step 6: Final answer
    x = 17,927,875.09

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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.