Home / 8,515,186.07-12,778,420.37-4,679,686.98

Finding the Fourth Proportional to 8,515,186.07, 12,778,420.37 and 4,679,686.98

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Solution

The fourth proportional to 8,515,186.07, 12,778,420.37 and 4,679,686.98 is: 7,022,630.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,515,186.07 : 12,778,420.37 = 4,679,686.98 : x
  2. Step 2: Convert to fraction form
    8,515,186.07/12,778,420.37 = 4,679,686.98/x
  3. Step 3: Cross multiply
    8,515,186.07x = 12,778,420.37 × 4,679,686.98
  4. Step 4: Simplify right side
    8,515,186.07x = 59,799,007,440,298.65
  5. Step 5: Solve for x
    x = 59,799,007,440,298.65/8,515,186.07
  6. Step 6: Final answer
    x = 7,022,630.74

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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.