Home / 10,652,564.81-15,981,215.27-4,969,689.05

Finding the Fourth Proportional to 10,652,564.81, 15,981,215.27 and 4,969,689.05

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Solution

The fourth proportional to 10,652,564.81, 15,981,215.27 and 4,969,689.05 is: 7,455,638.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,652,564.81 : 15,981,215.27 = 4,969,689.05 : x
  2. Step 2: Convert to fraction form
    10,652,564.81/15,981,215.27 = 4,969,689.05/x
  3. Step 3: Cross multiply
    10,652,564.81x = 15,981,215.27 × 4,969,689.05
  4. Step 4: Simplify right side
    10,652,564.81x = 79,421,670,548,116.39
  5. Step 5: Solve for x
    x = 79,421,670,548,116.39/10,652,564.81
  6. Step 6: Final answer
    x = 7,455,638.33

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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.