Home / 12,296,642.63-16,970,862.96-7,140,004.02

Finding the Fourth Proportional to 12,296,642.63, 16,970,862.96 and 7,140,004.02

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Solution

The fourth proportional to 12,296,642.63, 16,970,862.96 and 7,140,004.02 is: 9,854,074.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,296,642.63 : 16,970,862.96 = 7,140,004.02 : x
  2. Step 2: Convert to fraction form
    12,296,642.63/16,970,862.96 = 7,140,004.02/x
  3. Step 3: Cross multiply
    12,296,642.63x = 16,970,862.96 × 7,140,004.02
  4. Step 4: Simplify right side
    12,296,642.63x = 121,172,029,784,044.11
  5. Step 5: Solve for x
    x = 121,172,029,784,044.11/12,296,642.63
  6. Step 6: Final answer
    x = 9,854,074.28

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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.