Home / 28,022,815.20-42,032,727.40-7,552,206.32

Finding the Fourth Proportional to 28,022,815.20, 42,032,727.40 and 7,552,206.32

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Solution

The fourth proportional to 28,022,815.20, 42,032,727.40 and 7,552,206.32 is: 11,327,906.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,022,815.20 : 42,032,727.40 = 7,552,206.32 : x
  2. Step 2: Convert to fraction form
    28,022,815.20/42,032,727.40 = 7,552,206.32/x
  3. Step 3: Cross multiply
    28,022,815.20x = 42,032,727.40 × 7,552,206.32
  4. Step 4: Simplify right side
    28,022,815.20x = 317,439,829,517,117.19
  5. Step 5: Solve for x
    x = 317,439,829,517,117.19/28,022,815.20
  6. Step 6: Final answer
    x = 11,327,906.47

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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.