Home / 18,138,840.34-25,033,367.74-13,547,190.10

Finding the Fourth Proportional to 18,138,840.34, 25,033,367.74 and 13,547,190.10

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Solution

The fourth proportional to 18,138,840.34, 25,033,367.74 and 13,547,190.10 is: 18,696,442.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,138,840.34 : 25,033,367.74 = 13,547,190.10 : x
  2. Step 2: Convert to fraction form
    18,138,840.34/25,033,367.74 = 13,547,190.10/x
  3. Step 3: Cross multiply
    18,138,840.34x = 25,033,367.74 × 13,547,190.10
  4. Step 4: Simplify right side
    18,138,840.34x = 339,131,791,616,987.31
  5. Step 5: Solve for x
    x = 339,131,791,616,987.31/18,138,840.34
  6. Step 6: Final answer
    x = 18,696,442.84

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1.5x scale

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.