Home / 19,221,092.40-28,831,638.60-9,143,396.40

Finding the Fourth Proportional to 19,221,092.40, 28,831,638.60 and 9,143,396.40

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Solution

The fourth proportional to 19,221,092.40, 28,831,638.60 and 9,143,396.40 is: 13,715,094.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,221,092.40 : 28,831,638.60 = 9,143,396.40 : x
  2. Step 2: Convert to fraction form
    19,221,092.40/28,831,638.60 = 9,143,396.40/x
  3. Step 3: Cross multiply
    19,221,092.40x = 28,831,638.60 × 9,143,396.40
  4. Step 4: Simplify right side
    19,221,092.40x = 263,619,100,581,341.06
  5. Step 5: Solve for x
    x = 263,619,100,581,341.06/19,221,092.40
  6. Step 6: Final answer
    x = 13,715,094.60

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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.