Home / 9,176,989.80-13,765,047.30-3,111,126.60

Finding the Fourth Proportional to 9,176,989.80, 13,765,047.30 and 3,111,126.60

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Solution

The fourth proportional to 9,176,989.80, 13,765,047.30 and 3,111,126.60 is: 4,666,541.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,176,989.80 : 13,765,047.30 = 3,111,126.60 : x
  2. Step 2: Convert to fraction form
    9,176,989.80/13,765,047.30 = 3,111,126.60/x
  3. Step 3: Cross multiply
    9,176,989.80x = 13,765,047.30 × 3,111,126.60
  4. Step 4: Simplify right side
    9,176,989.80x = 42,824,804,805,288.19
  5. Step 5: Solve for x
    x = 42,824,804,805,288.19/9,176,989.80
  6. Step 6: Final answer
    x = 4,666,541.62

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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.