Home / 19,100,416.32-28,660,577.76-8,460,360

Finding the Fourth Proportional to 19,100,416.32, 28,660,577.76 and 8,460,360

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Solution

The fourth proportional to 19,100,416.32, 28,660,577.76 and 8,460,360 is: 12,694,948.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,100,416.32 : 28,660,577.76 = 8,460,360 : x
  2. Step 2: Convert to fraction form
    19,100,416.32/28,660,577.76 = 8,460,360/x
  3. Step 3: Cross multiply
    19,100,416.32x = 28,660,577.76 × 8,460,360
  4. Step 4: Simplify right side
    19,100,416.32x = 242,478,805,657,593.62
  5. Step 5: Solve for x
    x = 242,478,805,657,593.62/19,100,416.32
  6. Step 6: Final answer
    x = 12,694,948.72

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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.