Home / 14,284,585.20-19,712,869.86-7,758,342.12

Finding the Fourth Proportional to 14,284,585.20, 19,712,869.86 and 7,758,342.12

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Solution

The fourth proportional to 14,284,585.20, 19,712,869.86 and 7,758,342.12 is: 10,706,589.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,284,585.20 : 19,712,869.86 = 7,758,342.12 : x
  2. Step 2: Convert to fraction form
    14,284,585.20/19,712,869.86 = 7,758,342.12/x
  3. Step 3: Cross multiply
    14,284,585.20x = 19,712,869.86 × 7,758,342.12
  4. Step 4: Simplify right side
    14,284,585.20x = 152,939,188,540,916.50
  5. Step 5: Solve for x
    x = 152,939,188,540,916.50/14,284,585.20
  6. Step 6: Final answer
    x = 10,706,589.40

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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.