Home / 8,320,818.40-12,460,232.40-6,641,202.40

Finding the Fourth Proportional to 8,320,818.40, 12,460,232.40 and 6,641,202.40

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Solution

The fourth proportional to 8,320,818.40, 12,460,232.40 and 6,641,202.40 is: 9,945,046.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,320,818.40 : 12,460,232.40 = 6,641,202.40 : x
  2. Step 2: Convert to fraction form
    8,320,818.40/12,460,232.40 = 6,641,202.40/x
  3. Step 3: Cross multiply
    8,320,818.40x = 12,460,232.40 × 6,641,202.40
  4. Step 4: Simplify right side
    8,320,818.40x = 82,750,925,319,437.77
  5. Step 5: Solve for x
    x = 82,750,925,319,437.77/8,320,818.40
  6. Step 6: Final answer
    x = 9,945,046.43

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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.