Home / 28,073,490.20-42,110,235.30-11,896,688.60

Finding the Fourth Proportional to 28,073,490.20, 42,110,235.30 and 11,896,688.60

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Solution

The fourth proportional to 28,073,490.20, 42,110,235.30 and 11,896,688.60 is: 17,845,032.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,073,490.20 : 42,110,235.30 = 11,896,688.60 : x
  2. Step 2: Convert to fraction form
    28,073,490.20/42,110,235.30 = 11,896,688.60/x
  3. Step 3: Cross multiply
    28,073,490.20x = 42,110,235.30 × 11,896,688.60
  4. Step 4: Simplify right side
    28,073,490.20x = 500,972,356,236,827.50
  5. Step 5: Solve for x
    x = 500,972,356,236,827.50/28,073,490.20
  6. Step 6: Final answer
    x = 17,845,032.90

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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.