Home / 40,740,036.40-61,110,054.60-19,216,675.90

Finding the Fourth Proportional to 40,740,036.40, 61,110,054.60 and 19,216,675.90

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Solution

The fourth proportional to 40,740,036.40, 61,110,054.60 and 19,216,675.90 is: 28,825,013.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,740,036.40 : 61,110,054.60 = 19,216,675.90 : x
  2. Step 2: Convert to fraction form
    40,740,036.40/61,110,054.60 = 19,216,675.90/x
  3. Step 3: Cross multiply
    40,740,036.40x = 61,110,054.60 × 19,216,675.90
  4. Step 4: Simplify right side
    40,740,036.40x = 1,174,332,113,479,504
  5. Step 5: Solve for x
    x = 1,174,332,113,479,504/40,740,036.40
  6. Step 6: Final answer
    x = 28,825,013.85

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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.