Home / 12,390,666.60-17,101,567.80-7,917,362.22

Finding the Fourth Proportional to 12,390,666.60, 17,101,567.80 and 7,917,362.22

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Solution

The fourth proportional to 12,390,666.60, 17,101,567.80 and 7,917,362.22 is: 10,927,524.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,390,666.60 : 17,101,567.80 = 7,917,362.22 : x
  2. Step 2: Convert to fraction form
    12,390,666.60/17,101,567.80 = 7,917,362.22/x
  3. Step 3: Cross multiply
    12,390,666.60x = 17,101,567.80 × 7,917,362.22
  4. Step 4: Simplify right side
    12,390,666.60x = 135,399,306,802,488.52
  5. Step 5: Solve for x
    x = 135,399,306,802,488.52/12,390,666.60
  6. Step 6: Final answer
    x = 10,927,524.01

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.