Home / 14,090,340.66-21,128,849.37-5,458,483.86

Finding the Fourth Proportional to 14,090,340.66, 21,128,849.37 and 5,458,483.86

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Solution

The fourth proportional to 14,090,340.66, 21,128,849.37 and 5,458,483.86 is: 8,185,145.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,090,340.66 : 21,128,849.37 = 5,458,483.86 : x
  2. Step 2: Convert to fraction form
    14,090,340.66/21,128,849.37 = 5,458,483.86/x
  3. Step 3: Cross multiply
    14,090,340.66x = 21,128,849.37 × 5,458,483.86
  4. Step 4: Simplify right side
    14,090,340.66x = 115,331,483,266,516.19
  5. Step 5: Solve for x
    x = 115,331,483,266,516.19/14,090,340.66
  6. Step 6: Final answer
    x = 8,185,145.13

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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.