Home / 20,835,557.40-31,211,345.70-14,033,112.60

Finding the Fourth Proportional to 20,835,557.40, 31,211,345.70 and 14,033,112.60

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Solution

The fourth proportional to 20,835,557.40, 31,211,345.70 and 14,033,112.60 is: 21,021,387.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,835,557.40 : 31,211,345.70 = 14,033,112.60 : x
  2. Step 2: Convert to fraction form
    20,835,557.40/31,211,345.70 = 14,033,112.60/x
  3. Step 3: Cross multiply
    20,835,557.40x = 31,211,345.70 × 14,033,112.60
  4. Step 4: Simplify right side
    20,835,557.40x = 437,992,328,605,625.81
  5. Step 5: Solve for x
    x = 437,992,328,605,625.81/20,835,557.40
  6. Step 6: Final answer
    x = 21,021,387.63

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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.