Home / 20,252,323.05-27,945,200.40-12,300,730.50

Finding the Fourth Proportional to 20,252,323.05, 27,945,200.40 and 12,300,730.50

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Solution

The fourth proportional to 20,252,323.05, 27,945,200.40 and 12,300,730.50 is: 16,973,182.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,252,323.05 : 27,945,200.40 = 12,300,730.50 : x
  2. Step 2: Convert to fraction form
    20,252,323.05/27,945,200.40 = 12,300,730.50/x
  3. Step 3: Cross multiply
    20,252,323.05x = 27,945,200.40 × 12,300,730.50
  4. Step 4: Simplify right side
    20,252,323.05x = 343,746,378,746,374.94
  5. Step 5: Solve for x
    x = 343,746,378,746,374.94/20,252,323.05
  6. Step 6: Final answer
    x = 16,973,182.67

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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.