Home / 10,369,823.60-15,554,735.40-7,181,177.60

Finding the Fourth Proportional to 10,369,823.60, 15,554,735.40 and 7,181,177.60

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Solution

The fourth proportional to 10,369,823.60, 15,554,735.40 and 7,181,177.60 is: 10,771,766.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,369,823.60 : 15,554,735.40 = 7,181,177.60 : x
  2. Step 2: Convert to fraction form
    10,369,823.60/15,554,735.40 = 7,181,177.60/x
  3. Step 3: Cross multiply
    10,369,823.60x = 15,554,735.40 × 7,181,177.60
  4. Step 4: Simplify right side
    10,369,823.60x = 111,701,317,428,407.03
  5. Step 5: Solve for x
    x = 111,701,317,428,407.03/10,369,823.60
  6. Step 6: Final answer
    x = 10,771,766.40

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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.