Home / 18,372,914.95-25,354,421.42-10,112,800.63

Finding the Fourth Proportional to 18,372,914.95, 25,354,421.42 and 10,112,800.63

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Solution

The fourth proportional to 18,372,914.95, 25,354,421.42 and 10,112,800.63 is: 13,955,554.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,372,914.95 : 25,354,421.42 = 10,112,800.63 : x
  2. Step 2: Convert to fraction form
    18,372,914.95/25,354,421.42 = 10,112,800.63/x
  3. Step 3: Cross multiply
    18,372,914.95x = 25,354,421.42 × 10,112,800.63
  4. Step 4: Simplify right side
    18,372,914.95x = 256,404,208,937,858.50
  5. Step 5: Solve for x
    x = 256,404,208,937,858.50/18,372,914.95
  6. Step 6: Final answer
    x = 13,955,554.12

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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.