Home / 15,000,450.25-20,700,549.60-8,385,037.34

Finding the Fourth Proportional to 15,000,450.25, 20,700,549.60 and 8,385,037.34

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Solution

The fourth proportional to 15,000,450.25, 20,700,549.60 and 8,385,037.34 is: 11,571,311.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,000,450.25 : 20,700,549.60 = 8,385,037.34 : x
  2. Step 2: Convert to fraction form
    15,000,450.25/20,700,549.60 = 8,385,037.34/x
  3. Step 3: Cross multiply
    15,000,450.25x = 20,700,549.60 × 8,385,037.34
  4. Step 4: Simplify right side
    15,000,450.25x = 173,574,881,406,273.47
  5. Step 5: Solve for x
    x = 173,574,881,406,273.47/15,000,450.25
  6. Step 6: Final answer
    x = 11,571,311.43

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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.