Home / 20,671,869.06-31,012,475.06-6,838,795.37

Finding the Fourth Proportional to 20,671,869.06, 31,012,475.06 and 6,838,795.37

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Solution

The fourth proportional to 20,671,869.06, 31,012,475.06 and 6,838,795.37 is: 10,259,738.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,671,869.06 : 31,012,475.06 = 6,838,795.37 : x
  2. Step 2: Convert to fraction form
    20,671,869.06/31,012,475.06 = 6,838,795.37/x
  3. Step 3: Cross multiply
    20,671,869.06x = 31,012,475.06 × 6,838,795.37
  4. Step 4: Simplify right side
    20,671,869.06x = 212,087,970,947,196.62
  5. Step 5: Solve for x
    x = 212,087,970,947,196.62/20,671,869.06
  6. Step 6: Final answer
    x = 10,259,738.50

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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.