Home / 9,669,663.63-13,343,857.47-5,318,749.80

Finding the Fourth Proportional to 9,669,663.63, 13,343,857.47 and 5,318,749.80

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Solution

The fourth proportional to 9,669,663.63, 13,343,857.47 and 5,318,749.80 is: 7,339,721.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,669,663.63 : 13,343,857.47 = 5,318,749.80 : x
  2. Step 2: Convert to fraction form
    9,669,663.63/13,343,857.47 = 5,318,749.80/x
  3. Step 3: Cross multiply
    9,669,663.63x = 13,343,857.47 × 5,318,749.80
  4. Step 4: Simplify right side
    9,669,663.63x = 70,972,639,249,791
  5. Step 5: Solve for x
    x = 70,972,639,249,791/9,669,663.63
  6. Step 6: Final answer
    x = 7,339,721.62

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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.