Home / 23,101,971.53-31,870,712.99-13,929,518.57

Finding the Fourth Proportional to 23,101,971.53, 31,870,712.99 and 13,929,518.57

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Solution

The fourth proportional to 23,101,971.53, 31,870,712.99 and 13,929,518.57 is: 19,216,701.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,101,971.53 : 31,870,712.99 = 13,929,518.57 : x
  2. Step 2: Convert to fraction form
    23,101,971.53/31,870,712.99 = 13,929,518.57/x
  3. Step 3: Cross multiply
    23,101,971.53x = 31,870,712.99 × 13,929,518.57
  4. Step 4: Simplify right side
    23,101,971.53x = 443,943,688,308,815.44
  5. Step 5: Solve for x
    x = 443,943,688,308,815.44/23,101,971.53
  6. Step 6: Final answer
    x = 19,216,701.39

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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.