Home / 20,962,315.74-31,449,890.74-10,734,417.26

Finding the Fourth Proportional to 20,962,315.74, 31,449,890.74 and 10,734,417.26

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Solution

The fourth proportional to 20,962,315.74, 31,449,890.74 and 10,734,417.26 is: 16,104,911.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,962,315.74 : 31,449,890.74 = 10,734,417.26 : x
  2. Step 2: Convert to fraction form
    20,962,315.74/31,449,890.74 = 10,734,417.26/x
  3. Step 3: Cross multiply
    20,962,315.74x = 31,449,890.74 × 10,734,417.26
  4. Step 4: Simplify right side
    20,962,315.74x = 337,596,249,984,570.12
  5. Step 5: Solve for x
    x = 337,596,249,984,570.12/20,962,315.74
  6. Step 6: Final answer
    x = 16,104,911.98

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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.