Home / 15,586,032.72-21,507,800.76-8,616,294.64

Finding the Fourth Proportional to 15,586,032.72, 21,507,800.76 and 8,616,294.64

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Solution

The fourth proportional to 15,586,032.72, 21,507,800.76 and 8,616,294.64 is: 11,889,975.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,586,032.72 : 21,507,800.76 = 8,616,294.64 : x
  2. Step 2: Convert to fraction form
    15,586,032.72/21,507,800.76 = 8,616,294.64/x
  3. Step 3: Cross multiply
    15,586,032.72x = 21,507,800.76 × 8,616,294.64
  4. Step 4: Simplify right side
    15,586,032.72x = 185,317,548,406,575.97
  5. Step 5: Solve for x
    x = 185,317,548,406,575.97/15,586,032.72
  6. Step 6: Final answer
    x = 11,889,975.58

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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.