Home / 12,705,934.40-19,062,641.28-4,618,782.56

Finding the Fourth Proportional to 12,705,934.40, 19,062,641.28 and 4,618,782.56

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Solution

The fourth proportional to 12,705,934.40, 19,062,641.28 and 4,618,782.56 is: 6,929,533.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,705,934.40 : 19,062,641.28 = 4,618,782.56 : x
  2. Step 2: Convert to fraction form
    12,705,934.40/19,062,641.28 = 4,618,782.56/x
  3. Step 3: Cross multiply
    12,705,934.40x = 19,062,641.28 × 4,618,782.56
  4. Step 4: Simplify right side
    12,705,934.40x = 88,046,195,091,600.08
  5. Step 5: Solve for x
    x = 88,046,195,091,600.08/12,705,934.40
  6. Step 6: Final answer
    x = 6,929,533.27

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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.