Home / 23,169,020.40-31,971,134.57-13,748,188.01

Finding the Fourth Proportional to 23,169,020.40, 31,971,134.57 and 13,748,188.01

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Solution

The fourth proportional to 23,169,020.40, 31,971,134.57 and 13,748,188.01 is: 18,971,245.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,169,020.40 : 31,971,134.57 = 13,748,188.01 : x
  2. Step 2: Convert to fraction form
    23,169,020.40/31,971,134.57 = 13,748,188.01/x
  3. Step 3: Cross multiply
    23,169,020.40x = 31,971,134.57 × 13,748,188.01
  4. Step 4: Simplify right side
    23,169,020.40x = 439,545,168,732,773.94
  5. Step 5: Solve for x
    x = 439,545,168,732,773.94/23,169,020.40
  6. Step 6: Final answer
    x = 18,971,245.27

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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.