Home / 15,725,200.86-21,697,186.50-8,847,173.34

Finding the Fourth Proportional to 15,725,200.86, 21,697,186.50 and 8,847,173.34

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Solution

The fourth proportional to 15,725,200.86, 21,697,186.50 and 8,847,173.34 is: 12,207,079.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,725,200.86 : 21,697,186.50 = 8,847,173.34 : x
  2. Step 2: Convert to fraction form
    15,725,200.86/21,697,186.50 = 8,847,173.34/x
  3. Step 3: Cross multiply
    15,725,200.86x = 21,697,186.50 × 8,847,173.34
  4. Step 4: Simplify right side
    15,725,200.86x = 191,958,769,955,807.91
  5. Step 5: Solve for x
    x = 191,958,769,955,807.91/15,725,200.86
  6. Step 6: Final answer
    x = 12,207,079.05

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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.