Home / 21,033,031-31,549,546.38-5,076,679

Finding the Fourth Proportional to 21,033,031, 31,549,546.38 and 5,076,679

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Solution

The fourth proportional to 21,033,031, 31,549,546.38 and 5,076,679 is: 7,615,018.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,033,031 : 31,549,546.38 = 5,076,679 : x
  2. Step 2: Convert to fraction form
    21,033,031/31,549,546.38 = 5,076,679/x
  3. Step 3: Cross multiply
    21,033,031x = 31,549,546.38 × 5,076,679
  4. Step 4: Simplify right side
    21,033,031x = 160,166,919,566,872
  5. Step 5: Solve for x
    x = 160,166,919,566,872/21,033,031
  6. Step 6: Final answer
    x = 7,615,018.47

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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.