Home / 18,992,476.42-26,209,627.32-10,290,655.90

Finding the Fourth Proportional to 18,992,476.42, 26,209,627.32 and 10,290,655.90

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Solution

The fourth proportional to 18,992,476.42, 26,209,627.32 and 10,290,655.90 is: 14,201,110.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,992,476.42 : 26,209,627.32 = 10,290,655.90 : x
  2. Step 2: Convert to fraction form
    18,992,476.42/26,209,627.32 = 10,290,655.90/x
  3. Step 3: Cross multiply
    18,992,476.42x = 26,209,627.32 × 10,290,655.90
  4. Step 4: Simplify right side
    18,992,476.42x = 269,714,256,017,359.19
  5. Step 5: Solve for x
    x = 269,714,256,017,359.19/18,992,476.42
  6. Step 6: Final answer
    x = 14,201,110.48

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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.