Home / 15,000,457.37-20,700,559.44-8,385,044.49

Finding the Fourth Proportional to 15,000,457.37, 20,700,559.44 and 8,385,044.49

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Solution

The fourth proportional to 15,000,457.37, 20,700,559.44 and 8,385,044.49 is: 11,571,321.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,000,457.37 : 20,700,559.44 = 8,385,044.49 : x
  2. Step 2: Convert to fraction form
    15,000,457.37/20,700,559.44 = 8,385,044.49/x
  3. Step 3: Cross multiply
    15,000,457.37x = 20,700,559.44 × 8,385,044.49
  4. Step 4: Simplify right side
    15,000,457.37x = 173,575,111,872,289.50
  5. Step 5: Solve for x
    x = 173,575,111,872,289.50/15,000,457.37
  6. Step 6: Final answer
    x = 11,571,321.30

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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.