Home / 10,890,030.80-16,335,046.20-3,316,012.40

Finding the Fourth Proportional to 10,890,030.80, 16,335,046.20 and 3,316,012.40

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Solution

The fourth proportional to 10,890,030.80, 16,335,046.20 and 3,316,012.40 is: 4,974,018.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,890,030.80 : 16,335,046.20 = 3,316,012.40 : x
  2. Step 2: Convert to fraction form
    10,890,030.80/16,335,046.20 = 3,316,012.40/x
  3. Step 3: Cross multiply
    10,890,030.80x = 16,335,046.20 × 3,316,012.40
  4. Step 4: Simplify right side
    10,890,030.80x = 54,167,215,753,772.88
  5. Step 5: Solve for x
    x = 54,167,215,753,772.88/10,890,030.80
  6. Step 6: Final answer
    x = 4,974,018.60

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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.