Home / 9,703,181.10-13,390,483.32-5,352,450.78

Finding the Fourth Proportional to 9,703,181.10, 13,390,483.32 and 5,352,450.78

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Solution

The fourth proportional to 9,703,181.10, 13,390,483.32 and 5,352,450.78 is: 7,386,433.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,703,181.10 : 13,390,483.32 = 5,352,450.78 : x
  2. Step 2: Convert to fraction form
    9,703,181.10/13,390,483.32 = 5,352,450.78/x
  3. Step 3: Cross multiply
    9,703,181.10x = 13,390,483.32 × 5,352,450.78
  4. Step 4: Simplify right side
    9,703,181.10x = 71,671,902,890,711
  5. Step 5: Solve for x
    x = 71,671,902,890,711/9,703,181.10
  6. Step 6: Final answer
    x = 7,386,433.60

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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.