Home / 21,033,140.94-31,549,711.68-5,076,788.94

Finding the Fourth Proportional to 21,033,140.94, 31,549,711.68 and 5,076,788.94

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Solution

The fourth proportional to 21,033,140.94, 31,549,711.68 and 5,076,788.94 is: 7,615,183.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,033,140.94 : 31,549,711.68 = 5,076,788.94 : x
  2. Step 2: Convert to fraction form
    21,033,140.94/31,549,711.68 = 5,076,788.94/x
  3. Step 3: Cross multiply
    21,033,140.94x = 31,549,711.68 × 5,076,788.94
  4. Step 4: Simplify right side
    21,033,140.94x = 160,171,227,317,212.84
  5. Step 5: Solve for x
    x = 160,171,227,317,212.84/21,033,140.94
  6. Step 6: Final answer
    x = 7,615,183.48

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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.