Home / 31,047,921.77-46,520,397.59-18,880,580.07

Finding the Fourth Proportional to 31,047,921.77, 46,520,397.59 and 18,880,580.07

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Solution

The fourth proportional to 31,047,921.77, 46,520,397.59 and 18,880,580.07 is: 28,289,561.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,047,921.77 : 46,520,397.59 = 18,880,580.07 : x
  2. Step 2: Convert to fraction form
    31,047,921.77/46,520,397.59 = 18,880,580.07/x
  3. Step 3: Cross multiply
    31,047,921.77x = 46,520,397.59 × 18,880,580.07
  4. Step 4: Simplify right side
    31,047,921.77x = 878,332,091,491,827.12
  5. Step 5: Solve for x
    x = 878,332,091,491,827.12/31,047,921.77
  6. Step 6: Final answer
    x = 28,289,561.48

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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.