Home / 23,131,072.14-31,921,069.73-12,817,967.46

Finding the Fourth Proportional to 23,131,072.14, 31,921,069.73 and 12,817,967.46

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Solution

The fourth proportional to 23,131,072.14, 31,921,069.73 and 12,817,967.46 is: 17,688,900.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,131,072.14 : 31,921,069.73 = 12,817,967.46 : x
  2. Step 2: Convert to fraction form
    23,131,072.14/31,921,069.73 = 12,817,967.46/x
  3. Step 3: Cross multiply
    23,131,072.14x = 31,921,069.73 × 12,817,967.46
  4. Step 4: Simplify right side
    23,131,072.14x = 409,163,233,023,441.19
  5. Step 5: Solve for x
    x = 409,163,233,023,441.19/23,131,072.14
  6. Step 6: Final answer
    x = 17,688,900.48

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.