Home / 12,798,921.01-17,662,678.53-6,997,709.42

Finding the Fourth Proportional to 12,798,921.01, 17,662,678.53 and 6,997,709.42

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Solution

The fourth proportional to 12,798,921.01, 17,662,678.53 and 6,997,709.42 is: 9,656,930.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,798,921.01 : 17,662,678.53 = 6,997,709.42 : x
  2. Step 2: Convert to fraction form
    12,798,921.01/17,662,678.53 = 6,997,709.42/x
  3. Step 3: Cross multiply
    12,798,921.01x = 17,662,678.53 × 6,997,709.42
  4. Step 4: Simplify right side
    12,798,921.01x = 123,598,291,931,812.77
  5. Step 5: Solve for x
    x = 123,598,291,931,812.77/12,798,921.01
  6. Step 6: Final answer
    x = 9,656,930.60

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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.