Home / 15,332,600.61-21,158,618.04-8,456,935.05

Finding the Fourth Proportional to 15,332,600.61, 21,158,618.04 and 8,456,935.05

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Solution

The fourth proportional to 15,332,600.61, 21,158,618.04 and 8,456,935.05 is: 11,670,365.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,332,600.61 : 21,158,618.04 = 8,456,935.05 : x
  2. Step 2: Convert to fraction form
    15,332,600.61/21,158,618.04 = 8,456,935.05/x
  3. Step 3: Cross multiply
    15,332,600.61x = 21,158,618.04 × 8,456,935.05
  4. Step 4: Simplify right side
    15,332,600.61x = 178,937,058,512,038.31
  5. Step 5: Solve for x
    x = 178,937,058,512,038.31/15,332,600.61
  6. Step 6: Final answer
    x = 11,670,365.85

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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.