Home / 12,814,809.60-19,222,214.40-5,239,257.60

Finding the Fourth Proportional to 12,814,809.60, 19,222,214.40 and 5,239,257.60

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Solution

The fourth proportional to 12,814,809.60, 19,222,214.40 and 5,239,257.60 is: 7,858,886.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,814,809.60 : 19,222,214.40 = 5,239,257.60 : x
  2. Step 2: Convert to fraction form
    12,814,809.60/19,222,214.40 = 5,239,257.60/x
  3. Step 3: Cross multiply
    12,814,809.60x = 19,222,214.40 × 5,239,257.60
  4. Step 4: Simplify right side
    12,814,809.60x = 100,710,132,884,029.42
  5. Step 5: Solve for x
    x = 100,710,132,884,029.42/12,814,809.60
  6. Step 6: Final answer
    x = 7,858,886.40

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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.