Home / 15,515,483.57-21,411,367.16-8,992,896.40

Finding the Fourth Proportional to 15,515,483.57, 21,411,367.16 and 8,992,896.40

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Solution

The fourth proportional to 15,515,483.57, 21,411,367.16 and 8,992,896.40 is: 12,410,196.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,515,483.57 : 21,411,367.16 = 8,992,896.40 : x
  2. Step 2: Convert to fraction form
    15,515,483.57/21,411,367.16 = 8,992,896.40/x
  3. Step 3: Cross multiply
    15,515,483.57x = 21,411,367.16 × 8,992,896.40
  4. Step 4: Simplify right side
    15,515,483.57x = 192,550,206,652,242.22
  5. Step 5: Solve for x
    x = 192,550,206,652,242.22/15,515,483.57
  6. Step 6: Final answer
    x = 12,410,196.94

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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.