Home / 19,179,015.47-28,779,873.35-7,056,991.58

Finding the Fourth Proportional to 19,179,015.47, 28,779,873.35 and 7,056,991.58

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Solution

The fourth proportional to 19,179,015.47, 28,779,873.35 and 7,056,991.58 is: 10,589,663.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,179,015.47 : 28,779,873.35 = 7,056,991.58 : x
  2. Step 2: Convert to fraction form
    19,179,015.47/28,779,873.35 = 7,056,991.58/x
  3. Step 3: Cross multiply
    19,179,015.47x = 28,779,873.35 × 7,056,991.58
  4. Step 4: Simplify right side
    19,179,015.47x = 203,099,323,865,715.31
  5. Step 5: Solve for x
    x = 203,099,323,865,715.31/19,179,015.47
  6. Step 6: Final answer
    x = 10,589,663.70

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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.