Home / 6,652,931.80-9,979,397.70-6,564,458.20

Finding the Fourth Proportional to 6,652,931.80, 9,979,397.70 and 6,564,458.20

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Solution

The fourth proportional to 6,652,931.80, 9,979,397.70 and 6,564,458.20 is: 9,846,687.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,652,931.80 : 9,979,397.70 = 6,564,458.20 : x
  2. Step 2: Convert to fraction form
    6,652,931.80/9,979,397.70 = 6,564,458.20/x
  3. Step 3: Cross multiply
    6,652,931.80x = 9,979,397.70 × 6,564,458.20
  4. Step 4: Simplify right side
    6,652,931.80x = 65,509,339,062,826.14
  5. Step 5: Solve for x
    x = 65,509,339,062,826.14/6,652,931.80
  6. Step 6: Final answer
    x = 9,846,687.30

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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.