Home / 30,097,130.40-45,145,695.60-7,378,027.65

Finding the Fourth Proportional to 30,097,130.40, 45,145,695.60 and 7,378,027.65

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Solution

The fourth proportional to 30,097,130.40, 45,145,695.60 and 7,378,027.65 is: 11,067,041.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,097,130.40 : 45,145,695.60 = 7,378,027.65 : x
  2. Step 2: Convert to fraction form
    30,097,130.40/45,145,695.60 = 7,378,027.65/x
  3. Step 3: Cross multiply
    30,097,130.40x = 45,145,695.60 × 7,378,027.65
  4. Step 4: Simplify right side
    30,097,130.40x = 333,086,190,415,283.38
  5. Step 5: Solve for x
    x = 333,086,190,415,283.38/30,097,130.40
  6. Step 6: Final answer
    x = 11,067,041.48

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Similar ratio
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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.