Home / 12,999,830.28-19,499,697.72-3,901,888.38

Finding the Fourth Proportional to 12,999,830.28, 19,499,697.72 and 3,901,888.38

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Solution

The fourth proportional to 12,999,830.28, 19,499,697.72 and 3,901,888.38 is: 5,852,818.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,999,830.28 : 19,499,697.72 = 3,901,888.38 : x
  2. Step 2: Convert to fraction form
    12,999,830.28/19,499,697.72 = 3,901,888.38/x
  3. Step 3: Cross multiply
    12,999,830.28x = 19,499,697.72 × 3,901,888.38
  4. Step 4: Simplify right side
    12,999,830.28x = 76,085,643,947,180.48
  5. Step 5: Solve for x
    x = 76,085,643,947,180.48/12,999,830.28
  6. Step 6: Final answer
    x = 5,852,818.25

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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.