Home / 28,992,318.60-43,488,305.10-7,426,878.60

Finding the Fourth Proportional to 28,992,318.60, 43,488,305.10 and 7,426,878.60

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Solution

The fourth proportional to 28,992,318.60, 43,488,305.10 and 7,426,878.60 is: 11,140,273.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,992,318.60 : 43,488,305.10 = 7,426,878.60 : x
  2. Step 2: Convert to fraction form
    28,992,318.60/43,488,305.10 = 7,426,878.60/x
  3. Step 3: Cross multiply
    28,992,318.60x = 43,488,305.10 × 7,426,878.60
  4. Step 4: Simplify right side
    28,992,318.60x = 322,982,362,497,460.88
  5. Step 5: Solve for x
    x = 322,982,362,497,460.88/28,992,318.60
  6. Step 6: Final answer
    x = 11,140,273.63

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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.