Home / 28,333,636.43-42,507,877.08-8,902,077.35

Finding the Fourth Proportional to 28,333,636.43, 42,507,877.08 and 8,902,077.35

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Solution

The fourth proportional to 28,333,636.43, 42,507,877.08 and 8,902,077.35 is: 13,355,448.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,333,636.43 : 42,507,877.08 = 8,902,077.35 : x
  2. Step 2: Convert to fraction form
    28,333,636.43/42,507,877.08 = 8,902,077.35/x
  3. Step 3: Cross multiply
    28,333,636.43x = 42,507,877.08 × 8,902,077.35
  4. Step 4: Simplify right side
    28,333,636.43x = 378,408,409,537,912.75
  5. Step 5: Solve for x
    x = 378,408,409,537,912.75/28,333,636.43
  6. Step 6: Final answer
    x = 13,355,448.06

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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.