Home / 14,367,915.80-21,551,873.70-12,809,022.20

Finding the Fourth Proportional to 14,367,915.80, 21,551,873.70 and 12,809,022.20

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Solution

The fourth proportional to 14,367,915.80, 21,551,873.70 and 12,809,022.20 is: 19,213,533.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,367,915.80 : 21,551,873.70 = 12,809,022.20 : x
  2. Step 2: Convert to fraction form
    14,367,915.80/21,551,873.70 = 12,809,022.20/x
  3. Step 3: Cross multiply
    14,367,915.80x = 21,551,873.70 × 12,809,022.20
  4. Step 4: Simplify right side
    14,367,915.80x = 276,058,428,674,896.12
  5. Step 5: Solve for x
    x = 276,058,428,674,896.12/14,367,915.80
  6. Step 6: Final answer
    x = 19,213,533.30

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1.5x scale

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.