Home / 19,156,642.56-28,717,879.59-7,023,278.64

Finding the Fourth Proportional to 19,156,642.56, 28,717,879.59 and 7,023,278.64

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Solution

The fourth proportional to 19,156,642.56, 28,717,879.59 and 7,023,278.64 is: 10,528,654.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,156,642.56 : 28,717,879.59 = 7,023,278.64 : x
  2. Step 2: Convert to fraction form
    19,156,642.56/28,717,879.59 = 7,023,278.64/x
  3. Step 3: Cross multiply
    19,156,642.56x = 28,717,879.59 × 7,023,278.64
  4. Step 4: Simplify right side
    19,156,642.56x = 201,693,670,418,231
  5. Step 5: Solve for x
    x = 201,693,670,418,231/19,156,642.56
  6. Step 6: Final answer
    x = 10,528,654.48

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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.