Home / 15,438,234.24-21,307,313.52-8,564,930.64

Finding the Fourth Proportional to 15,438,234.24, 21,307,313.52 and 8,564,930.64

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Solution

The fourth proportional to 15,438,234.24, 21,307,313.52 and 8,564,930.64 is: 11,821,019.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,438,234.24 : 21,307,313.52 = 8,564,930.64 : x
  2. Step 2: Convert to fraction form
    15,438,234.24/21,307,313.52 = 8,564,930.64/x
  3. Step 3: Cross multiply
    15,438,234.24x = 21,307,313.52 × 8,564,930.64
  4. Step 4: Simplify right side
    15,438,234.24x = 182,495,662,423,534.25
  5. Step 5: Solve for x
    x = 182,495,662,423,534.25/15,438,234.24
  6. Step 6: Final answer
    x = 11,821,019.14

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1.5x scale

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.