Home / 12,405,658.02-18,608,493.51-4,727,512.50

Finding the Fourth Proportional to 12,405,658.02, 18,608,493.51 and 4,727,512.50

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Solution

The fourth proportional to 12,405,658.02, 18,608,493.51 and 4,727,512.50 is: 7,091,271.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,405,658.02 : 18,608,493.51 = 4,727,512.50 : x
  2. Step 2: Convert to fraction form
    12,405,658.02/18,608,493.51 = 4,727,512.50/x
  3. Step 3: Cross multiply
    12,405,658.02x = 18,608,493.51 × 4,727,512.50
  4. Step 4: Simplify right side
    12,405,658.02x = 87,971,885,674,693.88
  5. Step 5: Solve for x
    x = 87,971,885,674,693.88/12,405,658.02
  6. Step 6: Final answer
    x = 7,091,271.22

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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.