Home / 21,290,970.34-31,936,456.19-6,719,366.59

Finding the Fourth Proportional to 21,290,970.34, 31,936,456.19 and 6,719,366.59

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Solution

The fourth proportional to 21,290,970.34, 31,936,456.19 and 6,719,366.59 is: 10,079,050.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,290,970.34 : 31,936,456.19 = 6,719,366.59 : x
  2. Step 2: Convert to fraction form
    21,290,970.34/31,936,456.19 = 6,719,366.59/x
  3. Step 3: Cross multiply
    21,290,970.34x = 31,936,456.19 × 6,719,366.59
  4. Step 4: Simplify right side
    21,290,970.34x = 214,592,756,804,888.09
  5. Step 5: Solve for x
    x = 214,592,756,804,888.09/21,290,970.34
  6. Step 6: Final answer
    x = 10,079,050.11

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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.