Home / 12,896,090.20-19,316,141.70-10,656,602.20

Finding the Fourth Proportional to 12,896,090.20, 19,316,141.70 and 10,656,602.20

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Solution

The fourth proportional to 12,896,090.20, 19,316,141.70 and 10,656,602.20 is: 15,961,770.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,896,090.20 : 19,316,141.70 = 10,656,602.20 : x
  2. Step 2: Convert to fraction form
    12,896,090.20/19,316,141.70 = 10,656,602.20/x
  3. Step 3: Cross multiply
    12,896,090.20x = 19,316,141.70 × 10,656,602.20
  4. Step 4: Simplify right side
    12,896,090.20x = 205,844,438,135,731.72
  5. Step 5: Solve for x
    x = 205,844,438,135,731.72/12,896,090.20
  6. Step 6: Final answer
    x = 15,961,770.97

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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.