Home / 18,645,235.86-25,731,717.08-11,303,378.46

Finding the Fourth Proportional to 18,645,235.86, 25,731,717.08 and 11,303,378.46

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Solution

The fourth proportional to 18,645,235.86, 25,731,717.08 and 11,303,378.46 is: 15,599,445.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,645,235.86 : 25,731,717.08 = 11,303,378.46 : x
  2. Step 2: Convert to fraction form
    18,645,235.86/25,731,717.08 = 11,303,378.46/x
  3. Step 3: Cross multiply
    18,645,235.86x = 25,731,717.08 × 11,303,378.46
  4. Step 4: Simplify right side
    18,645,235.86x = 290,855,336,580,886.12
  5. Step 5: Solve for x
    x = 290,855,336,580,886.12/18,645,235.86
  6. Step 6: Final answer
    x = 15,599,445.28

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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.