Home / 21,033,076.69-31,549,615.08-5,076,724.69

Finding the Fourth Proportional to 21,033,076.69, 31,549,615.08 and 5,076,724.69

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Solution

The fourth proportional to 21,033,076.69, 31,549,615.08 and 5,076,724.69 is: 7,615,087.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,033,076.69 : 31,549,615.08 = 5,076,724.69 : x
  2. Step 2: Convert to fraction form
    21,033,076.69/31,549,615.08 = 5,076,724.69/x
  3. Step 3: Cross multiply
    21,033,076.69x = 31,549,615.08 × 5,076,724.69
  4. Step 4: Simplify right side
    21,033,076.69x = 160,168,709,836,632.34
  5. Step 5: Solve for x
    x = 160,168,709,836,632.34/21,033,076.69
  6. Step 6: Final answer
    x = 7,615,087.05

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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.