Home / 13,740,484.16-18,962,460-7,628,912

Finding the Fourth Proportional to 13,740,484.16, 18,962,460 and 7,628,912

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Solution

The fourth proportional to 13,740,484.16, 18,962,460 and 7,628,912 is: 10,528,227.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,740,484.16 : 18,962,460 = 7,628,912 : x
  2. Step 2: Convert to fraction form
    13,740,484.16/18,962,460 = 7,628,912/x
  3. Step 3: Cross multiply
    13,740,484.16x = 18,962,460 × 7,628,912
  4. Step 4: Simplify right side
    13,740,484.16x = 144,662,938,643,520
  5. Step 5: Solve for x
    x = 144,662,938,643,520/13,740,484.16
  6. Step 6: Final answer
    x = 10,528,227.17

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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.