Home / 10,900,809.28-15,030,722.10-6,975,330.04

Finding the Fourth Proportional to 10,900,809.28, 15,030,722.10 and 6,975,330.04

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Solution

The fourth proportional to 10,900,809.28, 15,030,722.10 and 6,975,330.04 is: 9,618,024.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,900,809.28 : 15,030,722.10 = 6,975,330.04 : x
  2. Step 2: Convert to fraction form
    10,900,809.28/15,030,722.10 = 6,975,330.04/x
  3. Step 3: Cross multiply
    10,900,809.28x = 15,030,722.10 × 6,975,330.04
  4. Step 4: Simplify right side
    10,900,809.28x = 104,844,247,387,021.88
  5. Step 5: Solve for x
    x = 104,844,247,387,021.88/10,900,809.28
  6. Step 6: Final answer
    x = 9,618,024.19

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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.