Home / 31,053,205.86-42,853,599.77-18,008,210.13

Finding the Fourth Proportional to 31,053,205.86, 42,853,599.77 and 18,008,210.13

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Solution

The fourth proportional to 31,053,205.86, 42,853,599.77 and 18,008,210.13 is: 24,851,431.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,053,205.86 : 42,853,599.77 = 18,008,210.13 : x
  2. Step 2: Convert to fraction form
    31,053,205.86/42,853,599.77 = 18,008,210.13/x
  3. Step 3: Cross multiply
    31,053,205.86x = 42,853,599.77 × 18,008,210.13
  4. Step 4: Simplify right side
    31,053,205.86x = 771,716,629,395,038.62
  5. Step 5: Solve for x
    x = 771,716,629,395,038.62/31,053,205.86
  6. Step 6: Final answer
    x = 24,851,431.86

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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.