Home / 10,652,565.56-15,981,216.39-4,969,689.80

Finding the Fourth Proportional to 10,652,565.56, 15,981,216.39 and 4,969,689.80

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Solution

The fourth proportional to 10,652,565.56, 15,981,216.39 and 4,969,689.80 is: 7,455,639.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,652,565.56 : 15,981,216.39 = 4,969,689.80 : x
  2. Step 2: Convert to fraction form
    10,652,565.56/15,981,216.39 = 4,969,689.80/x
  3. Step 3: Cross multiply
    10,652,565.56x = 15,981,216.39 × 4,969,689.80
  4. Step 4: Simplify right side
    10,652,565.56x = 79,421,688,124,928.88
  5. Step 5: Solve for x
    x = 79,421,688,124,928.88/10,652,565.56
  6. Step 6: Final answer
    x = 7,455,639.46

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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.