Home / 13,692,028.53-18,895,508.40-7,812,619.93

Finding the Fourth Proportional to 13,692,028.53, 18,895,508.40 and 7,812,619.93

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Solution

The fourth proportional to 13,692,028.53, 18,895,508.40 and 7,812,619.93 is: 10,781,705.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,692,028.53 : 18,895,508.40 = 7,812,619.93 : x
  2. Step 2: Convert to fraction form
    13,692,028.53/18,895,508.40 = 7,812,619.93/x
  3. Step 3: Cross multiply
    13,692,028.53x = 18,895,508.40 × 7,812,619.93
  4. Step 4: Simplify right side
    13,692,028.53x = 147,623,425,513,322.41
  5. Step 5: Solve for x
    x = 147,623,425,513,322.41/13,692,028.53
  6. Step 6: Final answer
    x = 10,781,705.95

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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.