Home / 12,212,429.64-18,406,426.02-10,526,916.12

Finding the Fourth Proportional to 12,212,429.64, 18,406,426.02 and 10,526,916.12

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Solution

The fourth proportional to 12,212,429.64, 18,406,426.02 and 10,526,916.12 is: 15,866,040.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,212,429.64 : 18,406,426.02 = 10,526,916.12 : x
  2. Step 2: Convert to fraction form
    12,212,429.64/18,406,426.02 = 10,526,916.12/x
  3. Step 3: Cross multiply
    12,212,429.64x = 18,406,426.02 × 10,526,916.12
  4. Step 4: Simplify right side
    12,212,429.64x = 193,762,902,781,525.44
  5. Step 5: Solve for x
    x = 193,762,902,781,525.44/12,212,429.64
  6. Step 6: Final answer
    x = 15,866,040.46

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.