Home / 12,531,089.76-18,796,649.13-3,433,266.33

Finding the Fourth Proportional to 12,531,089.76, 18,796,649.13 and 3,433,266.33

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Solution

The fourth proportional to 12,531,089.76, 18,796,649.13 and 3,433,266.33 is: 5,149,903.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,531,089.76 : 18,796,649.13 = 3,433,266.33 : x
  2. Step 2: Convert to fraction form
    12,531,089.76/18,796,649.13 = 3,433,266.33/x
  3. Step 3: Cross multiply
    12,531,089.76x = 18,796,649.13 × 3,433,266.33
  4. Step 4: Simplify right side
    12,531,089.76x = 64,533,902,574,852.79
  5. Step 5: Solve for x
    x = 64,533,902,574,852.79/12,531,089.76
  6. Step 6: Final answer
    x = 5,149,903.46

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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.