Home / 8,636,878.28-12,946,647.18-2,953,215.56

Finding the Fourth Proportional to 8,636,878.28, 12,946,647.18 and 2,953,215.56

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Solution

The fourth proportional to 8,636,878.28, 12,946,647.18 and 2,953,215.56 is: 4,426,858.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,636,878.28 : 12,946,647.18 = 2,953,215.56 : x
  2. Step 2: Convert to fraction form
    8,636,878.28/12,946,647.18 = 2,953,215.56/x
  3. Step 3: Cross multiply
    8,636,878.28x = 12,946,647.18 × 2,953,215.56
  4. Step 4: Simplify right side
    8,636,878.28x = 38,234,239,901,806.12
  5. Step 5: Solve for x
    x = 38,234,239,901,806.12/8,636,878.28
  6. Step 6: Final answer
    x = 4,426,858.72

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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.