Home / 10,620,195.40-14,650,563.78-6,704,803.84

Finding the Fourth Proportional to 10,620,195.40, 14,650,563.78 and 6,704,803.84

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Solution

The fourth proportional to 10,620,195.40, 14,650,563.78 and 6,704,803.84 is: 9,249,279.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,620,195.40 : 14,650,563.78 = 6,704,803.84 : x
  2. Step 2: Convert to fraction form
    10,620,195.40/14,650,563.78 = 6,704,803.84/x
  3. Step 3: Cross multiply
    10,620,195.40x = 14,650,563.78 × 6,704,803.84
  4. Step 4: Simplify right side
    10,620,195.40x = 98,229,156,290,308.91
  5. Step 5: Solve for x
    x = 98,229,156,290,308.91/10,620,195.40
  6. Step 6: Final answer
    x = 9,249,279.57

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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.