Home / 9,637,828-13,300,222.80-5,286,949.42

Finding the Fourth Proportional to 9,637,828, 13,300,222.80 and 5,286,949.42

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Solution

The fourth proportional to 9,637,828, 13,300,222.80 and 5,286,949.42 is: 7,296,001.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,637,828 : 13,300,222.80 = 5,286,949.42 : x
  2. Step 2: Convert to fraction form
    9,637,828/13,300,222.80 = 5,286,949.42/x
  3. Step 3: Cross multiply
    9,637,828x = 13,300,222.80 × 5,286,949.42
  4. Step 4: Simplify right side
    9,637,828x = 70,317,605,218,330.78
  5. Step 5: Solve for x
    x = 70,317,605,218,330.78/9,637,828
  6. Step 6: Final answer
    x = 7,296,001.26

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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.