Home / 17,978,457.40-26,986,877.16-7,748,365.84

Finding the Fourth Proportional to 17,978,457.40, 26,986,877.16 and 7,748,365.84

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Solution

The fourth proportional to 17,978,457.40, 26,986,877.16 and 7,748,365.84 is: 11,630,819.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,978,457.40 : 26,986,877.16 = 7,748,365.84 : x
  2. Step 2: Convert to fraction form
    17,978,457.40/26,986,877.16 = 7,748,365.84/x
  3. Step 3: Cross multiply
    17,978,457.40x = 26,986,877.16 × 7,748,365.84
  4. Step 4: Simplify right side
    17,978,457.40x = 209,104,197,114,820.22
  5. Step 5: Solve for x
    x = 209,104,197,114,820.22/17,978,457.40
  6. Step 6: Final answer
    x = 11,630,819.73

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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.