Home / 31,053,153.61-42,853,527.53-18,008,157.88

Finding the Fourth Proportional to 31,053,153.61, 42,853,527.53 and 18,008,157.88

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Solution

The fourth proportional to 31,053,153.61, 42,853,527.53 and 18,008,157.88 is: 24,851,359.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,053,153.61 : 42,853,527.53 = 18,008,157.88 : x
  2. Step 2: Convert to fraction form
    31,053,153.61/42,853,527.53 = 18,008,157.88/x
  3. Step 3: Cross multiply
    31,053,153.61x = 42,853,527.53 × 18,008,157.88
  4. Step 4: Simplify right side
    31,053,153.61x = 771,713,089,475,166.38
  5. Step 5: Solve for x
    x = 771,713,089,475,166.38/31,053,153.61
  6. Step 6: Final answer
    x = 24,851,359.68

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1.5x scale

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.