Home / 46,630,877.20-69,945,659.70-21,071,845.60

Finding the Fourth Proportional to 46,630,877.20, 69,945,659.70 and 21,071,845.60

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Solution

The fourth proportional to 46,630,877.20, 69,945,659.70 and 21,071,845.60 is: 31,607,471.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,630,877.20 : 69,945,659.70 = 21,071,845.60 : x
  2. Step 2: Convert to fraction form
    46,630,877.20/69,945,659.70 = 21,071,845.60/x
  3. Step 3: Cross multiply
    46,630,877.20x = 69,945,659.70 × 21,071,845.60
  4. Step 4: Simplify right side
    46,630,877.20x = 1,473,884,141,588,542.50
  5. Step 5: Solve for x
    x = 1,473,884,141,588,542.50/46,630,877.20
  6. Step 6: Final answer
    x = 31,607,471.92

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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.