Home / 30,936,127.56-42,692,148.33-16,997,775.12

Finding the Fourth Proportional to 30,936,127.56, 42,692,148.33 and 16,997,775.12

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Solution

The fourth proportional to 30,936,127.56, 42,692,148.33 and 16,997,775.12 is: 23,457,090.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,936,127.56 : 42,692,148.33 = 16,997,775.12 : x
  2. Step 2: Convert to fraction form
    30,936,127.56/42,692,148.33 = 16,997,775.12/x
  3. Step 3: Cross multiply
    30,936,127.56x = 42,692,148.33 × 16,997,775.12
  4. Step 4: Simplify right side
    30,936,127.56x = 725,671,536,703,023.62
  5. Step 5: Solve for x
    x = 725,671,536,703,023.62/30,936,127.56
  6. Step 6: Final answer
    x = 23,457,090.27

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1.5x scale

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.