Home / 13,206,538.40-19,809,807.60-11,435,068.40

Finding the Fourth Proportional to 13,206,538.40, 19,809,807.60 and 11,435,068.40

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Solution

The fourth proportional to 13,206,538.40, 19,809,807.60 and 11,435,068.40 is: 17,152,602.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,206,538.40 : 19,809,807.60 = 11,435,068.40 : x
  2. Step 2: Convert to fraction form
    13,206,538.40/19,809,807.60 = 11,435,068.40/x
  3. Step 3: Cross multiply
    13,206,538.40x = 19,809,807.60 × 11,435,068.40
  4. Step 4: Simplify right side
    13,206,538.40x = 226,526,504,896,839.88
  5. Step 5: Solve for x
    x = 226,526,504,896,839.88/13,206,538.40
  6. Step 6: Final answer
    x = 17,152,602.60

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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.