Home / 15,552,478.80-23,328,718.20-5,456,120.40

Finding the Fourth Proportional to 15,552,478.80, 23,328,718.20 and 5,456,120.40

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Solution

The fourth proportional to 15,552,478.80, 23,328,718.20 and 5,456,120.40 is: 8,184,180.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,552,478.80 : 23,328,718.20 = 5,456,120.40 : x
  2. Step 2: Convert to fraction form
    15,552,478.80/23,328,718.20 = 5,456,120.40/x
  3. Step 3: Cross multiply
    15,552,478.80x = 23,328,718.20 × 5,456,120.40
  4. Step 4: Simplify right side
    15,552,478.80x = 127,284,295,276,871.28
  5. Step 5: Solve for x
    x = 127,284,295,276,871.28/15,552,478.80
  6. Step 6: Final answer
    x = 8,184,180.60

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1.5x scale

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.