Home / 31,053,215.84-42,853,613.60-18,008,220.16

Finding the Fourth Proportional to 31,053,215.84, 42,853,613.60 and 18,008,220.16

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Solution

The fourth proportional to 31,053,215.84, 42,853,613.60 and 18,008,220.16 is: 24,851,445.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,053,215.84 : 42,853,613.60 = 18,008,220.16 : x
  2. Step 2: Convert to fraction form
    31,053,215.84/42,853,613.60 = 18,008,220.16/x
  3. Step 3: Cross multiply
    31,053,215.84x = 42,853,613.60 × 18,008,220.16
  4. Step 4: Simplify right side
    31,053,215.84x = 771,717,308,360,370.25
  5. Step 5: Solve for x
    x = 771,717,308,360,370.25/31,053,215.84
  6. Step 6: Final answer
    x = 24,851,445.74

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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.