Home / 13,171,526.20-18,173,980.74-9,040,040.20

Finding the Fourth Proportional to 13,171,526.20, 18,173,980.74 and 9,040,040.20

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Solution

The fourth proportional to 13,171,526.20, 18,173,980.74 and 9,040,040.20 is: 12,473,384.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,171,526.20 : 18,173,980.74 = 9,040,040.20 : x
  2. Step 2: Convert to fraction form
    13,171,526.20/18,173,980.74 = 9,040,040.20/x
  3. Step 3: Cross multiply
    13,171,526.20x = 18,173,980.74 × 9,040,040.20
  4. Step 4: Simplify right side
    13,171,526.20x = 164,293,516,483,625.72
  5. Step 5: Solve for x
    x = 164,293,516,483,625.72/13,171,526.20
  6. Step 6: Final answer
    x = 12,473,384.94

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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.