Home / 28,508,576.16-42,762,863.70-13,151,322.84

Finding the Fourth Proportional to 28,508,576.16, 42,762,863.70 and 13,151,322.84

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Solution

The fourth proportional to 28,508,576.16, 42,762,863.70 and 13,151,322.84 is: 19,726,984.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,508,576.16 : 42,762,863.70 = 13,151,322.84 : x
  2. Step 2: Convert to fraction form
    28,508,576.16/42,762,863.70 = 13,151,322.84/x
  3. Step 3: Cross multiply
    28,508,576.16x = 42,762,863.70 × 13,151,322.84
  4. Step 4: Simplify right side
    28,508,576.16x = 562,388,226,081,616.94
  5. Step 5: Solve for x
    x = 562,388,226,081,616.94/28,508,576.16
  6. Step 6: Final answer
    x = 19,726,984.01

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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.