Home / 9,772,020.55-13,485,404.25-5,421,106.90

Finding the Fourth Proportional to 9,772,020.55, 13,485,404.25 and 5,421,106.90

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Solution

The fourth proportional to 9,772,020.55, 13,485,404.25 and 5,421,106.90 is: 7,481,136.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,772,020.55 : 13,485,404.25 = 5,421,106.90 : x
  2. Step 2: Convert to fraction form
    9,772,020.55/13,485,404.25 = 5,421,106.90/x
  3. Step 3: Cross multiply
    9,772,020.55x = 13,485,404.25 × 5,421,106.90
  4. Step 4: Simplify right side
    9,772,020.55x = 73,105,818,028,964.33
  5. Step 5: Solve for x
    x = 73,105,818,028,964.33/9,772,020.55
  6. Step 6: Final answer
    x = 7,481,136.34

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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.