Home / 7,423,150.87-10,219,289.31-6,657,875.83

Finding the Fourth Proportional to 7,423,150.87, 10,219,289.31 and 6,657,875.83

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Solution

The fourth proportional to 7,423,150.87, 10,219,289.31 and 6,657,875.83 is: 9,165,751.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,423,150.87 : 10,219,289.31 = 6,657,875.83 : x
  2. Step 2: Convert to fraction form
    7,423,150.87/10,219,289.31 = 6,657,875.83/x
  3. Step 3: Cross multiply
    7,423,150.87x = 10,219,289.31 × 6,657,875.83
  4. Step 4: Simplify right side
    7,423,150.87x = 68,038,759,296,826.38
  5. Step 5: Solve for x
    x = 68,038,759,296,826.38/7,423,150.87
  6. Step 6: Final answer
    x = 9,165,751.91

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.