Home / 18,187,731-25,099,071.12-10,038,971.16

Finding the Fourth Proportional to 18,187,731, 25,099,071.12 and 10,038,971.16

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Solution

The fourth proportional to 18,187,731, 25,099,071.12 and 10,038,971.16 is: 13,853,781.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,187,731 : 25,099,071.12 = 10,038,971.16 : x
  2. Step 2: Convert to fraction form
    18,187,731/25,099,071.12 = 10,038,971.16/x
  3. Step 3: Cross multiply
    18,187,731x = 25,099,071.12 × 10,038,971.16
  4. Step 4: Simplify right side
    18,187,731x = 251,968,851,116,468.91
  5. Step 5: Solve for x
    x = 251,968,851,116,468.91/18,187,731
  6. Step 6: Final answer
    x = 13,853,781.49

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1.5x scale

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.