Home / 12,966,325.90-17,893,535.90-7,165,107.48

Finding the Fourth Proportional to 12,966,325.90, 17,893,535.90 and 7,165,107.48

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Solution

The fourth proportional to 12,966,325.90, 17,893,535.90 and 7,165,107.48 is: 9,887,851.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,966,325.90 : 17,893,535.90 = 7,165,107.48 : x
  2. Step 2: Convert to fraction form
    12,966,325.90/17,893,535.90 = 7,165,107.48/x
  3. Step 3: Cross multiply
    12,966,325.90x = 17,893,535.90 × 7,165,107.48
  4. Step 4: Simplify right side
    12,966,325.90x = 128,209,107,920,738.53
  5. Step 5: Solve for x
    x = 128,209,107,920,738.53/12,966,325.90
  6. Step 6: Final answer
    x = 9,887,851.73

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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.