Home / 31,053,210.99-42,853,606.84-18,008,215.26

Finding the Fourth Proportional to 31,053,210.99, 42,853,606.84 and 18,008,215.26

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Solution

The fourth proportional to 31,053,210.99, 42,853,606.84 and 18,008,215.26 is: 24,851,438.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,053,210.99 : 42,853,606.84 = 18,008,215.26 : x
  2. Step 2: Convert to fraction form
    31,053,210.99/42,853,606.84 = 18,008,215.26/x
  3. Step 3: Cross multiply
    31,053,210.99x = 42,853,606.84 × 18,008,215.26
  4. Step 4: Simplify right side
    31,053,210.99x = 771,716,976,642,128.50
  5. Step 5: Solve for x
    x = 771,716,976,642,128.50/31,053,210.99
  6. Step 6: Final answer
    x = 24,851,438.93

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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.