Home / 13,028,709.40-19,543,064.10-9,669,477.40

Finding the Fourth Proportional to 13,028,709.40, 19,543,064.10 and 9,669,477.40

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Solution

The fourth proportional to 13,028,709.40, 19,543,064.10 and 9,669,477.40 is: 14,504,216.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,028,709.40 : 19,543,064.10 = 9,669,477.40 : x
  2. Step 2: Convert to fraction form
    13,028,709.40/19,543,064.10 = 9,669,477.40/x
  3. Step 3: Cross multiply
    13,028,709.40x = 19,543,064.10 × 9,669,477.40
  4. Step 4: Simplify right side
    13,028,709.40x = 188,971,216,641,701.38
  5. Step 5: Solve for x
    x = 188,971,216,641,701.38/13,028,709.40
  6. Step 6: Final answer
    x = 14,504,216.10

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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.