Home / 12,640,267.08-17,443,444.57-6,838,921.53

Finding the Fourth Proportional to 12,640,267.08, 17,443,444.57 and 6,838,921.53

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Solution

The fourth proportional to 12,640,267.08, 17,443,444.57 and 6,838,921.53 is: 9,437,644.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,640,267.08 : 17,443,444.57 = 6,838,921.53 : x
  2. Step 2: Convert to fraction form
    12,640,267.08/17,443,444.57 = 6,838,921.53/x
  3. Step 3: Cross multiply
    12,640,267.08x = 17,443,444.57 × 6,838,921.53
  4. Step 4: Simplify right side
    12,640,267.08x = 119,294,348,610,037.28
  5. Step 5: Solve for x
    x = 119,294,348,610,037.28/12,640,267.08
  6. Step 6: Final answer
    x = 9,437,644.62

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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.