Home / 15,299,503.10-21,113,832.46-8,330,450.93

Finding the Fourth Proportional to 15,299,503.10, 21,113,832.46 and 8,330,450.93

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Solution

The fourth proportional to 15,299,503.10, 21,113,832.46 and 8,330,450.93 is: 11,496,304.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,299,503.10 : 21,113,832.46 = 8,330,450.93 : x
  2. Step 2: Convert to fraction form
    15,299,503.10/21,113,832.46 = 8,330,450.93/x
  3. Step 3: Cross multiply
    15,299,503.10x = 21,113,832.46 × 8,330,450.93
  4. Step 4: Simplify right side
    15,299,503.10x = 175,887,745,252,271.19
  5. Step 5: Solve for x
    x = 175,887,745,252,271.19/15,299,503.10
  6. Step 6: Final answer
    x = 11,496,304.43

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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.