Home / 12,762,045.21-17,613,111.40-7,256,245.07

Finding the Fourth Proportional to 12,762,045.21, 17,613,111.40 and 7,256,245.07

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Solution

The fourth proportional to 12,762,045.21, 17,613,111.40 and 7,256,245.07 is: 10,014,464.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,762,045.21 : 17,613,111.40 = 7,256,245.07 : x
  2. Step 2: Convert to fraction form
    12,762,045.21/17,613,111.40 = 7,256,245.07/x
  3. Step 3: Cross multiply
    12,762,045.21x = 17,613,111.40 × 7,256,245.07
  4. Step 4: Simplify right side
    12,762,045.21x = 127,805,052,675,545.23
  5. Step 5: Solve for x
    x = 127,805,052,675,545.23/12,762,045.21
  6. Step 6: Final answer
    x = 10,014,464.81

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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.