Home / 13,745,331-18,968,556.96-7,634,328.12

Finding the Fourth Proportional to 13,745,331, 18,968,556.96 and 7,634,328.12

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Solution

The fourth proportional to 13,745,331, 18,968,556.96 and 7,634,328.12 is: 10,535,372.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,745,331 : 18,968,556.96 = 7,634,328.12 : x
  2. Step 2: Convert to fraction form
    13,745,331/18,968,556.96 = 7,634,328.12/x
  3. Step 3: Cross multiply
    13,745,331x = 18,968,556.96 × 7,634,328.12
  4. Step 4: Simplify right side
    13,745,331x = 144,812,187,795,549.72
  5. Step 5: Solve for x
    x = 144,812,187,795,549.72/13,745,331
  6. Step 6: Final answer
    x = 10,535,372.91

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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.