Home / 28,723,457.80-39,645,174.90-16,507,396.36

Finding the Fourth Proportional to 28,723,457.80, 39,645,174.90 and 16,507,396.36

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Solution

The fourth proportional to 28,723,457.80, 39,645,174.90 and 16,507,396.36 is: 22,784,116.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,723,457.80 : 39,645,174.90 = 16,507,396.36 : x
  2. Step 2: Convert to fraction form
    28,723,457.80/39,645,174.90 = 16,507,396.36/x
  3. Step 3: Cross multiply
    28,723,457.80x = 39,645,174.90 × 16,507,396.36
  4. Step 4: Simplify right side
    28,723,457.80x = 654,438,615,835,823.38
  5. Step 5: Solve for x
    x = 654,438,615,835,823.38/28,723,457.80
  6. Step 6: Final answer
    x = 22,784,116.75

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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.