Home / 30,355,215.90-45,517,077.45-11,176,100.70

Finding the Fourth Proportional to 30,355,215.90, 45,517,077.45 and 11,176,100.70

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Solution

The fourth proportional to 30,355,215.90, 45,517,077.45 and 11,176,100.70 is: 16,758,353.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,355,215.90 : 45,517,077.45 = 11,176,100.70 : x
  2. Step 2: Convert to fraction form
    30,355,215.90/45,517,077.45 = 11,176,100.70/x
  3. Step 3: Cross multiply
    30,355,215.90x = 45,517,077.45 × 11,176,100.70
  4. Step 4: Simplify right side
    30,355,215.90x = 508,703,441,150,899.19
  5. Step 5: Solve for x
    x = 508,703,441,150,899.19/30,355,215.90
  6. Step 6: Final answer
    x = 16,758,353.58

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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.