Home / 19,179,016.60-28,779,875.04-7,056,992.71

Finding the Fourth Proportional to 19,179,016.60, 28,779,875.04 and 7,056,992.71

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Solution

The fourth proportional to 19,179,016.60, 28,779,875.04 and 7,056,992.71 is: 10,589,665.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,179,016.60 : 28,779,875.04 = 7,056,992.71 : x
  2. Step 2: Convert to fraction form
    19,179,016.60/28,779,875.04 = 7,056,992.71/x
  3. Step 3: Cross multiply
    19,179,016.60x = 28,779,875.04 × 7,056,992.71
  4. Step 4: Simplify right side
    19,179,016.60x = 203,099,368,280,041.25
  5. Step 5: Solve for x
    x = 203,099,368,280,041.25/19,179,016.60
  6. Step 6: Final answer
    x = 10,589,665.39

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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.