Home / 21,033,071.19-31,549,606.79-5,076,719.19

Finding the Fourth Proportional to 21,033,071.19, 31,549,606.79 and 5,076,719.19

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Solution

The fourth proportional to 21,033,071.19, 31,549,606.79 and 5,076,719.19 is: 7,615,078.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,033,071.19 : 31,549,606.79 = 5,076,719.19 : x
  2. Step 2: Convert to fraction form
    21,033,071.19/31,549,606.79 = 5,076,719.19/x
  3. Step 3: Cross multiply
    21,033,071.19x = 31,549,606.79 × 5,076,719.19
  4. Step 4: Simplify right side
    21,033,071.19x = 160,168,494,202,363.72
  5. Step 5: Solve for x
    x = 160,168,494,202,363.72/21,033,071.19
  6. Step 6: Final answer
    x = 7,615,078.79

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Double scale
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Similar ratio
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1.5x scale

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.