Home / 28,557,365.74-42,835,231.10-8,087,036.90

Finding the Fourth Proportional to 28,557,365.74, 42,835,231.10 and 8,087,036.90

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Solution

The fourth proportional to 28,557,365.74, 42,835,231.10 and 8,087,036.90 is: 12,130,323.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,557,365.74 : 42,835,231.10 = 8,087,036.90 : x
  2. Step 2: Convert to fraction form
    28,557,365.74/42,835,231.10 = 8,087,036.90/x
  3. Step 3: Cross multiply
    28,557,365.74x = 42,835,231.10 × 8,087,036.90
  4. Step 4: Simplify right side
    28,557,365.74x = 346,410,094,525,727.62
  5. Step 5: Solve for x
    x = 346,410,094,525,727.62/28,557,365.74
  6. Step 6: Final answer
    x = 12,130,323.84

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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.