Home / 15,609,795.92-21,538,948.57-9,804,442.40

Finding the Fourth Proportional to 15,609,795.92, 21,538,948.57 and 9,804,442.40

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Solution

The fourth proportional to 15,609,795.92, 21,538,948.57 and 9,804,442.40 is: 13,528,516.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,609,795.92 : 21,538,948.57 = 9,804,442.40 : x
  2. Step 2: Convert to fraction form
    15,609,795.92/21,538,948.57 = 9,804,442.40/x
  3. Step 3: Cross multiply
    15,609,795.92x = 21,538,948.57 × 9,804,442.40
  4. Step 4: Simplify right side
    15,609,795.92x = 211,177,380,478,921.50
  5. Step 5: Solve for x
    x = 211,177,380,478,921.50/15,609,795.92
  6. Step 6: Final answer
    x = 13,528,516.43

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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.