Home / 12,126,416.90-18,192,152.55-4,041,904.10

Finding the Fourth Proportional to 12,126,416.90, 18,192,152.55 and 4,041,904.10

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Solution

The fourth proportional to 12,126,416.90, 18,192,152.55 and 4,041,904.10 is: 6,063,698.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,126,416.90 : 18,192,152.55 = 4,041,904.10 : x
  2. Step 2: Convert to fraction form
    12,126,416.90/18,192,152.55 = 4,041,904.10/x
  3. Step 3: Cross multiply
    12,126,416.90x = 18,192,152.55 × 4,041,904.10
  4. Step 4: Simplify right side
    12,126,416.90x = 73,530,935,979,670.45
  5. Step 5: Solve for x
    x = 73,530,935,979,670.45/12,126,416.90
  6. Step 6: Final answer
    x = 6,063,698.50

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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.