Home / 7,886,851.80-11,830,277.70-4,485,629.40

Finding the Fourth Proportional to 7,886,851.80, 11,830,277.70 and 4,485,629.40

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Solution

The fourth proportional to 7,886,851.80, 11,830,277.70 and 4,485,629.40 is: 6,728,444.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,886,851.80 : 11,830,277.70 = 4,485,629.40 : x
  2. Step 2: Convert to fraction form
    7,886,851.80/11,830,277.70 = 4,485,629.40/x
  3. Step 3: Cross multiply
    7,886,851.80x = 11,830,277.70 × 4,485,629.40
  4. Step 4: Simplify right side
    7,886,851.80x = 53,066,241,461,284.38
  5. Step 5: Solve for x
    x = 53,066,241,461,284.38/7,886,851.80
  6. Step 6: Final answer
    x = 6,728,444.10

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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.