Home / 20,959,495.95-31,430,619.86-8,010,429.33

Finding the Fourth Proportional to 20,959,495.95, 31,430,619.86 and 8,010,429.33

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Solution

The fourth proportional to 20,959,495.95, 31,430,619.86 and 8,010,429.33 is: 12,012,347.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,959,495.95 : 31,430,619.86 = 8,010,429.33 : x
  2. Step 2: Convert to fraction form
    20,959,495.95/31,430,619.86 = 8,010,429.33/x
  3. Step 3: Cross multiply
    20,959,495.95x = 31,430,619.86 × 8,010,429.33
  4. Step 4: Simplify right side
    20,959,495.95x = 251,772,759,146,572.34
  5. Step 5: Solve for x
    x = 251,772,759,146,572.34/20,959,495.95
  6. Step 6: Final answer
    x = 12,012,347.99

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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.