Home / 31,053,206.86-42,853,601.15-18,008,211.13

Finding the Fourth Proportional to 31,053,206.86, 42,853,601.15 and 18,008,211.13

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Solution

The fourth proportional to 31,053,206.86, 42,853,601.15 and 18,008,211.13 is: 24,851,433.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,053,206.86 : 42,853,601.15 = 18,008,211.13 : x
  2. Step 2: Convert to fraction form
    31,053,206.86/42,853,601.15 = 18,008,211.13/x
  3. Step 3: Cross multiply
    31,053,206.86x = 42,853,601.15 × 18,008,211.13
  4. Step 4: Simplify right side
    31,053,206.86x = 771,716,697,099,969.75
  5. Step 5: Solve for x
    x = 771,716,697,099,969.75/31,053,206.86
  6. Step 6: Final answer
    x = 24,851,433.24

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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.