Home / 12,626,272.32-18,949,986.72-6,564,724.80

Finding the Fourth Proportional to 12,626,272.32, 18,949,986.72 and 6,564,724.80

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Solution

The fourth proportional to 12,626,272.32, 18,949,986.72 and 6,564,724.80 is: 9,852,587.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,626,272.32 : 18,949,986.72 = 6,564,724.80 : x
  2. Step 2: Convert to fraction form
    12,626,272.32/18,949,986.72 = 6,564,724.80/x
  3. Step 3: Cross multiply
    12,626,272.32x = 18,949,986.72 × 6,564,724.80
  4. Step 4: Simplify right side
    12,626,272.32x = 124,401,447,780,454.64
  5. Step 5: Solve for x
    x = 124,401,447,780,454.64/12,626,272.32
  6. Step 6: Final answer
    x = 9,852,587.10

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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.