Home / 30,602,808.10-45,904,212.15-28,849,052.80

Finding the Fourth Proportional to 30,602,808.10, 45,904,212.15 and 28,849,052.80

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Solution

The fourth proportional to 30,602,808.10, 45,904,212.15 and 28,849,052.80 is: 43,273,579.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,602,808.10 : 45,904,212.15 = 28,849,052.80 : x
  2. Step 2: Convert to fraction form
    30,602,808.10/45,904,212.15 = 28,849,052.80/x
  3. Step 3: Cross multiply
    30,602,808.10x = 45,904,212.15 × 28,849,052.80
  4. Step 4: Simplify right side
    30,602,808.10x = 1,324,293,040,057,751.50
  5. Step 5: Solve for x
    x = 1,324,293,040,057,751.50/30,602,808.10
  6. Step 6: Final answer
    x = 43,273,579.20

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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.