Home / 9,019,693.78-12,447,686.55-5,350,782.58

Finding the Fourth Proportional to 9,019,693.78, 12,447,686.55 and 5,350,782.58

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Solution

The fourth proportional to 9,019,693.78, 12,447,686.55 and 5,350,782.58 is: 7,384,382.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,019,693.78 : 12,447,686.55 = 5,350,782.58 : x
  2. Step 2: Convert to fraction form
    9,019,693.78/12,447,686.55 = 5,350,782.58/x
  3. Step 3: Cross multiply
    9,019,693.78x = 12,447,686.55 × 5,350,782.58
  4. Step 4: Simplify right side
    9,019,693.78x = 66,604,864,353,040.30
  5. Step 5: Solve for x
    x = 66,604,864,353,040.30/9,019,693.78
  6. Step 6: Final answer
    x = 7,384,382.00

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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.