Home / 31,381,497.47-47,072,715.75-11,951,796.51

Finding the Fourth Proportional to 31,381,497.47, 47,072,715.75 and 11,951,796.51

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Solution

The fourth proportional to 31,381,497.47, 47,072,715.75 and 11,951,796.51 is: 17,927,873.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,381,497.47 : 47,072,715.75 = 11,951,796.51 : x
  2. Step 2: Convert to fraction form
    31,381,497.47/47,072,715.75 = 11,951,796.51/x
  3. Step 3: Cross multiply
    31,381,497.47x = 47,072,715.75 × 11,951,796.51
  4. Step 4: Simplify right side
    31,381,497.47x = 562,603,519,817,072
  5. Step 5: Solve for x
    x = 562,603,519,817,072/31,381,497.47
  6. Step 6: Final answer
    x = 17,927,873.60

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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.