Home / 15,790,641.28-23,682,419.04-7,262,784.64

Finding the Fourth Proportional to 15,790,641.28, 23,682,419.04 and 7,262,784.64

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Solution

The fourth proportional to 15,790,641.28, 23,682,419.04 and 7,262,784.64 is: 10,892,547.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,790,641.28 : 23,682,419.04 = 7,262,784.64 : x
  2. Step 2: Convert to fraction form
    15,790,641.28/23,682,419.04 = 7,262,784.64/x
  3. Step 3: Cross multiply
    15,790,641.28x = 23,682,419.04 × 7,262,784.64
  4. Step 4: Simplify right side
    15,790,641.28x = 172,000,309,241,755.53
  5. Step 5: Solve for x
    x = 172,000,309,241,755.53/15,790,641.28
  6. Step 6: Final answer
    x = 10,892,547.44

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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.