Home / 14,185,519.80-21,278,279.70-5,208,905.40

Finding the Fourth Proportional to 14,185,519.80, 21,278,279.70 and 5,208,905.40

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Solution

The fourth proportional to 14,185,519.80, 21,278,279.70 and 5,208,905.40 is: 7,813,358.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,185,519.80 : 21,278,279.70 = 5,208,905.40 : x
  2. Step 2: Convert to fraction form
    14,185,519.80/21,278,279.70 = 5,208,905.40/x
  3. Step 3: Cross multiply
    14,185,519.80x = 21,278,279.70 × 5,208,905.40
  4. Step 4: Simplify right side
    14,185,519.80x = 110,836,546,032,040.39
  5. Step 5: Solve for x
    x = 110,836,546,032,040.39/14,185,519.80
  6. Step 6: Final answer
    x = 7,813,358.10

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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.