Home / 10,852,213.81-16,269,795.36-7,430,148.85

Finding the Fourth Proportional to 10,852,213.81, 16,269,795.36 and 7,430,148.85

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Solution

The fourth proportional to 10,852,213.81, 16,269,795.36 and 7,430,148.85 is: 11,139,386.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,852,213.81 : 16,269,795.36 = 7,430,148.85 : x
  2. Step 2: Convert to fraction form
    10,852,213.81/16,269,795.36 = 7,430,148.85/x
  3. Step 3: Cross multiply
    10,852,213.81x = 16,269,795.36 × 7,430,148.85
  4. Step 4: Simplify right side
    10,852,213.81x = 120,887,001,202,490.34
  5. Step 5: Solve for x
    x = 120,887,001,202,490.34/10,852,213.81
  6. Step 6: Final answer
    x = 11,139,386.24

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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.