Home / 9,108,511.68-13,643,870.88-5,310,475.20

Finding the Fourth Proportional to 9,108,511.68, 13,643,870.88 and 5,310,475.20

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Solution

The fourth proportional to 9,108,511.68, 13,643,870.88 and 5,310,475.20 is: 7,954,695.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,108,511.68 : 13,643,870.88 = 5,310,475.20 : x
  2. Step 2: Convert to fraction form
    9,108,511.68/13,643,870.88 = 5,310,475.20/x
  3. Step 3: Cross multiply
    9,108,511.68x = 13,643,870.88 × 5,310,475.20
  4. Step 4: Simplify right side
    9,108,511.68x = 72,455,437,940,242.19
  5. Step 5: Solve for x
    x = 72,455,437,940,242.19/9,108,511.68
  6. Step 6: Final answer
    x = 7,954,695.62

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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.