Home / 34,720,511.80-52,065,021.30-13,147,943.80

Finding the Fourth Proportional to 34,720,511.80, 52,065,021.30 and 13,147,943.80

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Solution

The fourth proportional to 34,720,511.80, 52,065,021.30 and 13,147,943.80 is: 19,715,952.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,720,511.80 : 52,065,021.30 = 13,147,943.80 : x
  2. Step 2: Convert to fraction form
    34,720,511.80/52,065,021.30 = 13,147,943.80/x
  3. Step 3: Cross multiply
    34,720,511.80x = 52,065,021.30 × 13,147,943.80
  4. Step 4: Simplify right side
    34,720,511.80x = 684,547,973,998,203
  5. Step 5: Solve for x
    x = 684,547,973,998,203/34,720,511.80
  6. Step 6: Final answer
    x = 19,715,952.86

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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.