Home / 11,652,140.20-17,478,210.30-7,411,109.80

Finding the Fourth Proportional to 11,652,140.20, 17,478,210.30 and 7,411,109.80

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Solution

The fourth proportional to 11,652,140.20, 17,478,210.30 and 7,411,109.80 is: 11,116,664.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,652,140.20 : 17,478,210.30 = 7,411,109.80 : x
  2. Step 2: Convert to fraction form
    11,652,140.20/17,478,210.30 = 7,411,109.80/x
  3. Step 3: Cross multiply
    11,652,140.20x = 17,478,210.30 × 7,411,109.80
  4. Step 4: Simplify right side
    11,652,140.20x = 129,532,935,640,790.94
  5. Step 5: Solve for x
    x = 129,532,935,640,790.94/11,652,140.20
  6. Step 6: Final answer
    x = 11,116,664.70

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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.