Home / 9,295,890.81-12,829,850.66-7,744,692.72

Finding the Fourth Proportional to 9,295,890.81, 12,829,850.66 and 7,744,692.72

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Solution

The fourth proportional to 9,295,890.81, 12,829,850.66 and 7,744,692.72 is: 10,688,943.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,295,890.81 : 12,829,850.66 = 7,744,692.72 : x
  2. Step 2: Convert to fraction form
    9,295,890.81/12,829,850.66 = 7,744,692.72/x
  3. Step 3: Cross multiply
    9,295,890.81x = 12,829,850.66 × 7,744,692.72
  4. Step 4: Simplify right side
    9,295,890.81x = 99,363,250,966,465.72
  5. Step 5: Solve for x
    x = 99,363,250,966,465.72/9,295,890.81
  6. Step 6: Final answer
    x = 10,688,943.43

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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.