Home / 12,516,905.89-17,270,369.40-7,084,397.89

Finding the Fourth Proportional to 12,516,905.89, 17,270,369.40 and 7,084,397.89

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Solution

The fourth proportional to 12,516,905.89, 17,270,369.40 and 7,084,397.89 is: 9,774,793.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,516,905.89 : 17,270,369.40 = 7,084,397.89 : x
  2. Step 2: Convert to fraction form
    12,516,905.89/17,270,369.40 = 7,084,397.89/x
  3. Step 3: Cross multiply
    12,516,905.89x = 17,270,369.40 × 7,084,397.89
  4. Step 4: Simplify right side
    12,516,905.89x = 122,350,168,536,880.55
  5. Step 5: Solve for x
    x = 122,350,168,536,880.55/12,516,905.89
  6. Step 6: Final answer
    x = 9,774,793.36

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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.