Home / 8,273,419.40-12,410,129.10-6,147,655.40

Finding the Fourth Proportional to 8,273,419.40, 12,410,129.10 and 6,147,655.40

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Solution

The fourth proportional to 8,273,419.40, 12,410,129.10 and 6,147,655.40 is: 9,221,483.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,273,419.40 : 12,410,129.10 = 6,147,655.40 : x
  2. Step 2: Convert to fraction form
    8,273,419.40/12,410,129.10 = 6,147,655.40/x
  3. Step 3: Cross multiply
    8,273,419.40x = 12,410,129.10 × 6,147,655.40
  4. Step 4: Simplify right side
    8,273,419.40x = 76,293,197,176,312.14
  5. Step 5: Solve for x
    x = 76,293,197,176,312.14/8,273,419.40
  6. Step 6: Final answer
    x = 9,221,483.10

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Double scale
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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.