Home / 14,171,882.28-19,557,817.74-7,977,328.68

Finding the Fourth Proportional to 14,171,882.28, 19,557,817.74 and 7,977,328.68

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Solution

The fourth proportional to 14,171,882.28, 19,557,817.74 and 7,977,328.68 is: 11,009,062.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,171,882.28 : 19,557,817.74 = 7,977,328.68 : x
  2. Step 2: Convert to fraction form
    14,171,882.28/19,557,817.74 = 7,977,328.68/x
  3. Step 3: Cross multiply
    14,171,882.28x = 19,557,817.74 × 7,977,328.68
  4. Step 4: Simplify right side
    14,171,882.28x = 156,019,140,375,514.75
  5. Step 5: Solve for x
    x = 156,019,140,375,514.75/14,171,882.28
  6. Step 6: Final answer
    x = 11,009,062.68

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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.