Home / 28,984,549.20-43,476,795.66-7,419,116.28

Finding the Fourth Proportional to 28,984,549.20, 43,476,795.66 and 7,419,116.28

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Solution

The fourth proportional to 28,984,549.20, 43,476,795.66 and 7,419,116.28 is: 11,128,667.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,984,549.20 : 43,476,795.66 = 7,419,116.28 : x
  2. Step 2: Convert to fraction form
    28,984,549.20/43,476,795.66 = 7,419,116.28/x
  3. Step 3: Cross multiply
    28,984,549.20x = 43,476,795.66 × 7,419,116.28
  4. Step 4: Simplify right side
    28,984,549.20x = 322,559,402,483,339.31
  5. Step 5: Solve for x
    x = 322,559,402,483,339.31/28,984,549.20
  6. Step 6: Final answer
    x = 11,128,667.22

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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.