Home / 8,578,526.52-12,863,865.72-5,121,835.32

Finding the Fourth Proportional to 8,578,526.52, 12,863,865.72 and 5,121,835.32

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Solution

The fourth proportional to 8,578,526.52, 12,863,865.72 and 5,121,835.32 is: 7,680,410.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,578,526.52 : 12,863,865.72 = 5,121,835.32 : x
  2. Step 2: Convert to fraction form
    8,578,526.52/12,863,865.72 = 5,121,835.32/x
  3. Step 3: Cross multiply
    8,578,526.52x = 12,863,865.72 × 5,121,835.32
  4. Step 4: Simplify right side
    8,578,526.52x = 65,886,601,796,433.23
  5. Step 5: Solve for x
    x = 65,886,601,796,433.23/8,578,526.52
  6. Step 6: Final answer
    x = 7,680,410.11

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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.