Home / 31,053,208.86-42,853,603.91-18,008,213.13

Finding the Fourth Proportional to 31,053,208.86, 42,853,603.91 and 18,008,213.13

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Solution

The fourth proportional to 31,053,208.86, 42,853,603.91 and 18,008,213.13 is: 24,851,436.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,053,208.86 : 42,853,603.91 = 18,008,213.13 : x
  2. Step 2: Convert to fraction form
    31,053,208.86/42,853,603.91 = 18,008,213.13/x
  3. Step 3: Cross multiply
    31,053,208.86x = 42,853,603.91 × 18,008,213.13
  4. Step 4: Simplify right side
    31,053,208.86x = 771,716,832,509,840.25
  5. Step 5: Solve for x
    x = 771,716,832,509,840.25/31,053,208.86
  6. Step 6: Final answer
    x = 24,851,436.00

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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.