Home / 7,663,620.64-11,495,702.48-1,906,384.24

Finding the Fourth Proportional to 7,663,620.64, 11,495,702.48 and 1,906,384.24

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Solution

The fourth proportional to 7,663,620.64, 11,495,702.48 and 1,906,384.24 is: 2,859,643.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,663,620.64 : 11,495,702.48 = 1,906,384.24 : x
  2. Step 2: Convert to fraction form
    7,663,620.64/11,495,702.48 = 1,906,384.24/x
  3. Step 3: Cross multiply
    7,663,620.64x = 11,495,702.48 × 1,906,384.24
  4. Step 4: Simplify right side
    7,663,620.64x = 21,915,226,035,600.91
  5. Step 5: Solve for x
    x = 21,915,226,035,600.91/7,663,620.64
  6. Step 6: Final answer
    x = 2,859,643.90

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.