Home / 13,004,720.69-17,947,105.40-7,203,501.77

Finding the Fourth Proportional to 13,004,720.69, 17,947,105.40 and 7,203,501.77

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Solution

The fourth proportional to 13,004,720.69, 17,947,105.40 and 7,203,501.77 is: 9,941,159.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,004,720.69 : 17,947,105.40 = 7,203,501.77 : x
  2. Step 2: Convert to fraction form
    13,004,720.69/17,947,105.40 = 7,203,501.77/x
  3. Step 3: Cross multiply
    13,004,720.69x = 17,947,105.40 × 7,203,501.77
  4. Step 4: Simplify right side
    13,004,720.69x = 129,282,005,443,549.78
  5. Step 5: Solve for x
    x = 129,282,005,443,549.78/13,004,720.69
  6. Step 6: Final answer
    x = 9,941,159.72

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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.