Home / 8,447,715.23-12,658,531.01-5,704,511.92

Finding the Fourth Proportional to 8,447,715.23, 12,658,531.01 and 5,704,511.92

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Solution

The fourth proportional to 8,447,715.23, 12,658,531.01 and 5,704,511.92 is: 8,547,961.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,447,715.23 : 12,658,531.01 = 5,704,511.92 : x
  2. Step 2: Convert to fraction form
    8,447,715.23/12,658,531.01 = 5,704,511.92/x
  3. Step 3: Cross multiply
    8,447,715.23x = 12,658,531.01 × 5,704,511.92
  4. Step 4: Simplify right side
    8,447,715.23x = 72,210,741,079,357.86
  5. Step 5: Solve for x
    x = 72,210,741,079,357.86/8,447,715.23
  6. Step 6: Final answer
    x = 8,547,961.09

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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.