Home / 13,151,298.36-18,148,008.62-7,270,580.20

Finding the Fourth Proportional to 13,151,298.36, 18,148,008.62 and 7,270,580.20

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Solution

The fourth proportional to 13,151,298.36, 18,148,008.62 and 7,270,580.20 is: 10,032,967.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,151,298.36 : 18,148,008.62 = 7,270,580.20 : x
  2. Step 2: Convert to fraction form
    13,151,298.36/18,148,008.62 = 7,270,580.20/x
  3. Step 3: Cross multiply
    13,151,298.36x = 18,148,008.62 × 7,270,580.20
  4. Step 4: Simplify right side
    13,151,298.36x = 131,946,552,148,835.25
  5. Step 5: Solve for x
    x = 131,946,552,148,835.25/13,151,298.36
  6. Step 6: Final answer
    x = 10,032,967.74

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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.