Home / 10,531,929.80-15,797,894.70-7,340,659.40

Finding the Fourth Proportional to 10,531,929.80, 15,797,894.70 and 7,340,659.40

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Solution

The fourth proportional to 10,531,929.80, 15,797,894.70 and 7,340,659.40 is: 11,010,989.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,531,929.80 : 15,797,894.70 = 7,340,659.40 : x
  2. Step 2: Convert to fraction form
    10,531,929.80/15,797,894.70 = 7,340,659.40/x
  3. Step 3: Cross multiply
    10,531,929.80x = 15,797,894.70 × 7,340,659.40
  4. Step 4: Simplify right side
    10,531,929.80x = 115,966,964,229,765.19
  5. Step 5: Solve for x
    x = 115,966,964,229,765.19/10,531,929.80
  6. Step 6: Final answer
    x = 11,010,989.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.