Home / 10,890,034.60-16,335,051.90-5,221,330.60

Finding the Fourth Proportional to 10,890,034.60, 16,335,051.90 and 5,221,330.60

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Solution

The fourth proportional to 10,890,034.60, 16,335,051.90 and 5,221,330.60 is: 7,831,995.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,890,034.60 : 16,335,051.90 = 5,221,330.60 : x
  2. Step 2: Convert to fraction form
    10,890,034.60/16,335,051.90 = 5,221,330.60/x
  3. Step 3: Cross multiply
    10,890,034.60x = 16,335,051.90 × 5,221,330.60
  4. Step 4: Simplify right side
    10,890,034.60x = 85,290,706,338,058.14
  5. Step 5: Solve for x
    x = 85,290,706,338,058.14/10,890,034.60
  6. Step 6: Final answer
    x = 7,831,995.90

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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.