Home / 7,643,896.80-11,465,845.20-4,277,666.40

Finding the Fourth Proportional to 7,643,896.80, 11,465,845.20 and 4,277,666.40

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Solution

The fourth proportional to 7,643,896.80, 11,465,845.20 and 4,277,666.40 is: 6,416,499.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,643,896.80 : 11,465,845.20 = 4,277,666.40 : x
  2. Step 2: Convert to fraction form
    7,643,896.80/11,465,845.20 = 4,277,666.40/x
  3. Step 3: Cross multiply
    7,643,896.80x = 11,465,845.20 × 4,277,666.40
  4. Step 4: Simplify right side
    7,643,896.80x = 49,047,060,759,641.28
  5. Step 5: Solve for x
    x = 49,047,060,759,641.28/7,643,896.80
  6. Step 6: Final answer
    x = 6,416,499.60

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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.