Home / 13,145,468.07-18,137,637.04-7,635,569.02

Finding the Fourth Proportional to 13,145,468.07, 18,137,637.04 and 7,635,569.02

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Solution

The fourth proportional to 13,145,468.07, 18,137,637.04 and 7,635,569.02 is: 10,535,279.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,145,468.07 : 18,137,637.04 = 7,635,569.02 : x
  2. Step 2: Convert to fraction form
    13,145,468.07/18,137,637.04 = 7,635,569.02/x
  3. Step 3: Cross multiply
    13,145,468.07x = 18,137,637.04 × 7,635,569.02
  4. Step 4: Simplify right side
    13,145,468.07x = 138,491,179,478,628.48
  5. Step 5: Solve for x
    x = 138,491,179,478,628.48/13,145,468.07
  6. Step 6: Final answer
    x = 10,535,279.44

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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.