Home / 14,516,642.88-20,032,808.64-7,990,132.48

Finding the Fourth Proportional to 14,516,642.88, 20,032,808.64 and 7,990,132.48

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Solution

The fourth proportional to 14,516,642.88, 20,032,808.64 and 7,990,132.48 is: 11,026,295.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,516,642.88 : 20,032,808.64 = 7,990,132.48 : x
  2. Step 2: Convert to fraction form
    14,516,642.88/20,032,808.64 = 7,990,132.48/x
  3. Step 3: Cross multiply
    14,516,642.88x = 20,032,808.64 × 7,990,132.48
  4. Step 4: Simplify right side
    14,516,642.88x = 160,064,794,980,088.66
  5. Step 5: Solve for x
    x = 160,064,794,980,088.66/14,516,642.88
  6. Step 6: Final answer
    x = 11,026,295.56

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.