Home / 22,531,993.60-31,094,159.40-12,218,713.92

Finding the Fourth Proportional to 22,531,993.60, 31,094,159.40 and 12,218,713.92

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Solution

The fourth proportional to 22,531,993.60, 31,094,159.40 and 12,218,713.92 is: 16,861,829.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,531,993.60 : 31,094,159.40 = 12,218,713.92 : x
  2. Step 2: Convert to fraction form
    22,531,993.60/31,094,159.40 = 12,218,713.92/x
  3. Step 3: Cross multiply
    22,531,993.60x = 31,094,159.40 × 12,218,713.92
  4. Step 4: Simplify right side
    22,531,993.60x = 379,930,638,291,478.81
  5. Step 5: Solve for x
    x = 379,930,638,291,478.81/22,531,993.60
  6. Step 6: Final answer
    x = 16,861,829.67

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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.