Home / 15,560,478.73-21,453,495.19-12,759,280.28

Finding the Fourth Proportional to 15,560,478.73, 21,453,495.19 and 12,759,280.28

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Solution

The fourth proportional to 15,560,478.73, 21,453,495.19 and 12,759,280.28 is: 17,591,435.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,560,478.73 : 21,453,495.19 = 12,759,280.28 : x
  2. Step 2: Convert to fraction form
    15,560,478.73/21,453,495.19 = 12,759,280.28/x
  3. Step 3: Cross multiply
    15,560,478.73x = 21,453,495.19 × 12,759,280.28
  4. Step 4: Simplify right side
    15,560,478.73x = 273,731,158,092,018.66
  5. Step 5: Solve for x
    x = 273,731,158,092,018.66/15,560,478.73
  6. Step 6: Final answer
    x = 17,591,435.52

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.