Home / 30,904,931.22-42,648,699.70-16,965,939.30

Finding the Fourth Proportional to 30,904,931.22, 42,648,699.70 and 16,965,939.30

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Solution

The fourth proportional to 30,904,931.22, 42,648,699.70 and 16,965,939.30 is: 23,412,938.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,904,931.22 : 42,648,699.70 = 16,965,939.30 : x
  2. Step 2: Convert to fraction form
    30,904,931.22/42,648,699.70 = 16,965,939.30/x
  3. Step 3: Cross multiply
    30,904,931.22x = 42,648,699.70 × 16,965,939.30
  4. Step 4: Simplify right side
    30,904,931.22x = 723,575,250,334,128.25
  5. Step 5: Solve for x
    x = 723,575,250,334,128.25/30,904,931.22
  6. Step 6: Final answer
    x = 23,412,938.38

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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.