Home / 30,822,359.50-42,535,543.08-17,591,270.80

Finding the Fourth Proportional to 30,822,359.50, 42,535,543.08 and 17,591,270.80

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Solution

The fourth proportional to 30,822,359.50, 42,535,543.08 and 17,591,270.80 is: 24,276,345.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,822,359.50 : 42,535,543.08 = 17,591,270.80 : x
  2. Step 2: Convert to fraction form
    30,822,359.50/42,535,543.08 = 17,591,270.80/x
  3. Step 3: Cross multiply
    30,822,359.50x = 42,535,543.08 × 17,591,270.80
  4. Step 4: Simplify right side
    30,822,359.50x = 748,254,256,945,346.12
  5. Step 5: Solve for x
    x = 748,254,256,945,346.12/30,822,359.50
  6. Step 6: Final answer
    x = 24,276,345.78

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.