Home / 18,931,714.71-28,397,570.33-4,554,782.52

Finding the Fourth Proportional to 18,931,714.71, 28,397,570.33 and 4,554,782.52

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Solution

The fourth proportional to 18,931,714.71, 28,397,570.33 and 4,554,782.52 is: 6,832,173.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,931,714.71 : 28,397,570.33 = 4,554,782.52 : x
  2. Step 2: Convert to fraction form
    18,931,714.71/28,397,570.33 = 4,554,782.52/x
  3. Step 3: Cross multiply
    18,931,714.71x = 28,397,570.33 × 4,554,782.52
  4. Step 4: Simplify right side
    18,931,714.71x = 129,344,756,926,780.70
  5. Step 5: Solve for x
    x = 129,344,756,926,780.70/18,931,714.71
  6. Step 6: Final answer
    x = 6,832,173.36

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.