Home / 20,163,618.40-30,245,427.60-6,700,446.40

Finding the Fourth Proportional to 20,163,618.40, 30,245,427.60 and 6,700,446.40

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Solution

The fourth proportional to 20,163,618.40, 30,245,427.60 and 6,700,446.40 is: 10,050,669.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,163,618.40 : 30,245,427.60 = 6,700,446.40 : x
  2. Step 2: Convert to fraction form
    20,163,618.40/30,245,427.60 = 6,700,446.40/x
  3. Step 3: Cross multiply
    20,163,618.40x = 30,245,427.60 × 6,700,446.40
  4. Step 4: Simplify right side
    20,163,618.40x = 202,657,866,478,880.66
  5. Step 5: Solve for x
    x = 202,657,866,478,880.66/20,163,618.40
  6. Step 6: Final answer
    x = 10,050,669.60

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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.