Home / 9,108,183.51-12,561,153.77-7,556,988.15

Finding the Fourth Proportional to 9,108,183.51, 12,561,153.77 and 7,556,988.15

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Solution

The fourth proportional to 9,108,183.51, 12,561,153.77 and 7,556,988.15 is: 10,421,890.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,108,183.51 : 12,561,153.77 = 7,556,988.15 : x
  2. Step 2: Convert to fraction form
    9,108,183.51/12,561,153.77 = 7,556,988.15/x
  3. Step 3: Cross multiply
    9,108,183.51x = 12,561,153.77 × 7,556,988.15
  4. Step 4: Simplify right side
    9,108,183.51x = 94,924,490,209,110.31
  5. Step 5: Solve for x
    x = 94,924,490,209,110.31/9,108,183.51
  6. Step 6: Final answer
    x = 10,421,890.39

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Double scale
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1.5x scale

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.