Home / 15,125,394.32-20,874,808.96-8,600,001.60

Finding the Fourth Proportional to 15,125,394.32, 20,874,808.96 and 8,600,001.60

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Solution

The fourth proportional to 15,125,394.32, 20,874,808.96 and 8,600,001.60 is: 11,869,005.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,125,394.32 : 20,874,808.96 = 8,600,001.60 : x
  2. Step 2: Convert to fraction form
    15,125,394.32/20,874,808.96 = 8,600,001.60/x
  3. Step 3: Cross multiply
    15,125,394.32x = 20,874,808.96 × 8,600,001.60
  4. Step 4: Simplify right side
    15,125,394.32x = 179,523,390,455,694.34
  5. Step 5: Solve for x
    x = 179,523,390,455,694.34/15,125,394.32
  6. Step 6: Final answer
    x = 11,869,005.64

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.