Home / 15,239,068.87-21,030,382.89-8,958,444.39

Finding the Fourth Proportional to 15,239,068.87, 21,030,382.89 and 8,958,444.39

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Solution

The fourth proportional to 15,239,068.87, 21,030,382.89 and 8,958,444.39 is: 12,362,928.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,239,068.87 : 21,030,382.89 = 8,958,444.39 : x
  2. Step 2: Convert to fraction form
    15,239,068.87/21,030,382.89 = 8,958,444.39/x
  3. Step 3: Cross multiply
    15,239,068.87x = 21,030,382.89 × 8,958,444.39
  4. Step 4: Simplify right side
    15,239,068.87x = 188,399,515,498,078.06
  5. Step 5: Solve for x
    x = 188,399,515,498,078.06/15,239,068.87
  6. Step 6: Final answer
    x = 12,362,928.28

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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.