Home / 15,514,980.87-21,410,672.54-8,992,393.71

Finding the Fourth Proportional to 15,514,980.87, 21,410,672.54 and 8,992,393.71

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Solution

The fourth proportional to 15,514,980.87, 21,410,672.54 and 8,992,393.71 is: 12,409,502.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,514,980.87 : 21,410,672.54 = 8,992,393.71 : x
  2. Step 2: Convert to fraction form
    15,514,980.87/21,410,672.54 = 8,992,393.71/x
  3. Step 3: Cross multiply
    15,514,980.87x = 21,410,672.54 × 8,992,393.71
  4. Step 4: Simplify right side
    15,514,980.87x = 192,533,197,030,603.78
  5. Step 5: Solve for x
    x = 192,533,197,030,603.78/15,514,980.87
  6. Step 6: Final answer
    x = 12,409,502.70

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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.