Home / 9,989,485.36-13,776,133.62-6,630,711.40

Finding the Fourth Proportional to 9,989,485.36, 13,776,133.62 and 6,630,711.40

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Solution

The fourth proportional to 9,989,485.36, 13,776,133.62 and 6,630,711.40 is: 9,144,171.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,989,485.36 : 13,776,133.62 = 6,630,711.40 : x
  2. Step 2: Convert to fraction form
    9,989,485.36/13,776,133.62 = 6,630,711.40/x
  3. Step 3: Cross multiply
    9,989,485.36x = 13,776,133.62 × 6,630,711.40
  4. Step 4: Simplify right side
    9,989,485.36x = 91,345,566,242,057.27
  5. Step 5: Solve for x
    x = 91,345,566,242,057.27/9,989,485.36
  6. Step 6: Final answer
    x = 9,144,171.39

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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.