Home / 7,008,003.40-10,512,005.10-1,689,219.40

Finding the Fourth Proportional to 7,008,003.40, 10,512,005.10 and 1,689,219.40

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Solution

The fourth proportional to 7,008,003.40, 10,512,005.10 and 1,689,219.40 is: 2,533,829.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,008,003.40 : 10,512,005.10 = 1,689,219.40 : x
  2. Step 2: Convert to fraction form
    7,008,003.40/10,512,005.10 = 1,689,219.40/x
  3. Step 3: Cross multiply
    7,008,003.40x = 10,512,005.10 × 1,689,219.40
  4. Step 4: Simplify right side
    7,008,003.40x = 17,757,082,947,818.94
  5. Step 5: Solve for x
    x = 17,757,082,947,818.94/7,008,003.40
  6. Step 6: Final answer
    x = 2,533,829.10

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Similar ratio
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1.5x scale

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.