Home / 11,248,008.40-16,872,012.60-7,421,633.20

Finding the Fourth Proportional to 11,248,008.40, 16,872,012.60 and 7,421,633.20

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Solution

The fourth proportional to 11,248,008.40, 16,872,012.60 and 7,421,633.20 is: 11,132,449.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,248,008.40 : 16,872,012.60 = 7,421,633.20 : x
  2. Step 2: Convert to fraction form
    11,248,008.40/16,872,012.60 = 7,421,633.20/x
  3. Step 3: Cross multiply
    11,248,008.40x = 16,872,012.60 × 7,421,633.20
  4. Step 4: Simplify right side
    11,248,008.40x = 125,217,888,862,978.33
  5. Step 5: Solve for x
    x = 125,217,888,862,978.33/11,248,008.40
  6. Step 6: Final answer
    x = 11,132,449.80

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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.