Home / 13,119,628.28-19,685,126.19-7,047,275.36

Finding the Fourth Proportional to 13,119,628.28, 19,685,126.19 and 7,047,275.36

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Solution

The fourth proportional to 13,119,628.28, 19,685,126.19 and 7,047,275.36 is: 10,573,966.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,119,628.28 : 19,685,126.19 = 7,047,275.36 : x
  2. Step 2: Convert to fraction form
    13,119,628.28/19,685,126.19 = 7,047,275.36/x
  3. Step 3: Cross multiply
    13,119,628.28x = 19,685,126.19 × 7,047,275.36
  4. Step 4: Simplify right side
    13,119,628.28x = 138,726,504,757,277.69
  5. Step 5: Solve for x
    x = 138,726,504,757,277.69/13,119,628.28
  6. Step 6: Final answer
    x = 10,573,966.11

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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.