Home / 7,886,510.80-11,829,766.20-4,485,288.40

Finding the Fourth Proportional to 7,886,510.80, 11,829,766.20 and 4,485,288.40

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Solution

The fourth proportional to 7,886,510.80, 11,829,766.20 and 4,485,288.40 is: 6,727,932.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,886,510.80 : 11,829,766.20 = 4,485,288.40 : x
  2. Step 2: Convert to fraction form
    7,886,510.80/11,829,766.20 = 4,485,288.40/x
  3. Step 3: Cross multiply
    7,886,510.80x = 11,829,766.20 × 4,485,288.40
  4. Step 4: Simplify right side
    7,886,510.80x = 53,059,913,111,572.08
  5. Step 5: Solve for x
    x = 53,059,913,111,572.08/7,886,510.80
  6. Step 6: Final answer
    x = 6,727,932.60

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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.