Home / 28,881,045.12-43,321,233.96-7,021,548.18

Finding the Fourth Proportional to 28,881,045.12, 43,321,233.96 and 7,021,548.18

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Solution

The fourth proportional to 28,881,045.12, 43,321,233.96 and 7,021,548.18 is: 10,532,241.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,881,045.12 : 43,321,233.96 = 7,021,548.18 : x
  2. Step 2: Convert to fraction form
    28,881,045.12/43,321,233.96 = 7,021,548.18/x
  3. Step 3: Cross multiply
    28,881,045.12x = 43,321,233.96 × 7,021,548.18
  4. Step 4: Simplify right side
    28,881,045.12x = 304,182,131,467,192.19
  5. Step 5: Solve for x
    x = 304,182,131,467,192.19/28,881,045.12
  6. Step 6: Final answer
    x = 10,532,241.14

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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.