Home / 8,320,030.40-12,459,050.40-6,640,414.40

Finding the Fourth Proportional to 8,320,030.40, 12,459,050.40 and 6,640,414.40

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Solution

The fourth proportional to 8,320,030.40, 12,459,050.40 and 6,640,414.40 is: 9,943,864.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,320,030.40 : 12,459,050.40 = 6,640,414.40 : x
  2. Step 2: Convert to fraction form
    8,320,030.40/12,459,050.40 = 6,640,414.40/x
  3. Step 3: Cross multiply
    8,320,030.40x = 12,459,050.40 × 6,640,414.40
  4. Step 4: Simplify right side
    8,320,030.40x = 82,733,257,686,485.77
  5. Step 5: Solve for x
    x = 82,733,257,686,485.77/8,320,030.40
  6. Step 6: Final answer
    x = 9,943,864.83

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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.