Home / 12,461,199.90-18,678,897.45-6,769,398.30

Finding the Fourth Proportional to 12,461,199.90, 18,678,897.45 and 6,769,398.30

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Solution

The fourth proportional to 12,461,199.90, 18,678,897.45 and 6,769,398.30 is: 10,147,088.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,461,199.90 : 18,678,897.45 = 6,769,398.30 : x
  2. Step 2: Convert to fraction form
    12,461,199.90/18,678,897.45 = 6,769,398.30/x
  3. Step 3: Cross multiply
    12,461,199.90x = 18,678,897.45 × 6,769,398.30
  4. Step 4: Simplify right side
    12,461,199.90x = 126,444,896,643,904.33
  5. Step 5: Solve for x
    x = 126,444,896,643,904.33/12,461,199.90
  6. Step 6: Final answer
    x = 10,147,088.38

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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.