Home / 12,975,967.16-17,906,111.16-7,174,400.48

Finding the Fourth Proportional to 12,975,967.16, 17,906,111.16 and 7,174,400.48

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Solution

The fourth proportional to 12,975,967.16, 17,906,111.16 and 7,174,400.48 is: 9,900,272.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,975,967.16 : 17,906,111.16 = 7,174,400.48 : x
  2. Step 2: Convert to fraction form
    12,975,967.16/17,906,111.16 = 7,174,400.48/x
  3. Step 3: Cross multiply
    12,975,967.16x = 17,906,111.16 × 7,174,400.48
  4. Step 4: Simplify right side
    12,975,967.16x = 128,465,612,501,237.36
  5. Step 5: Solve for x
    x = 128,465,612,501,237.36/12,975,967.16
  6. Step 6: Final answer
    x = 9,900,272.63

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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.