Home / 12,966,327.90-17,893,538.66-7,165,109.48

Finding the Fourth Proportional to 12,966,327.90, 17,893,538.66 and 7,165,109.48

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Solution

The fourth proportional to 12,966,327.90, 17,893,538.66 and 7,165,109.48 is: 9,887,854.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,966,327.90 : 17,893,538.66 = 7,165,109.48 : x
  2. Step 2: Convert to fraction form
    12,966,327.90/17,893,538.66 = 7,165,109.48/x
  3. Step 3: Cross multiply
    12,966,327.90x = 17,893,538.66 × 7,165,109.48
  4. Step 4: Simplify right side
    12,966,327.90x = 128,209,163,483,512.50
  5. Step 5: Solve for x
    x = 128,209,163,483,512.50/12,966,327.90
  6. Step 6: Final answer
    x = 9,887,854.49

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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.