Home / 15,907,970.07-21,953,719.09-9,381,874.59

Finding the Fourth Proportional to 15,907,970.07, 21,953,719.09 and 9,381,874.59

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Solution

The fourth proportional to 15,907,970.07, 21,953,719.09 and 9,381,874.59 is: 12,947,411.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,907,970.07 : 21,953,719.09 = 9,381,874.59 : x
  2. Step 2: Convert to fraction form
    15,907,970.07/21,953,719.09 = 9,381,874.59/x
  3. Step 3: Cross multiply
    15,907,970.07x = 21,953,719.09 × 9,381,874.59
  4. Step 4: Simplify right side
    15,907,970.07x = 205,967,039,286,468.91
  5. Step 5: Solve for x
    x = 205,967,039,286,468.91/15,907,970.07
  6. Step 6: Final answer
    x = 12,947,411.79

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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.