Home / 18,992,390.50-26,209,462.26-10,290,798.64

Finding the Fourth Proportional to 18,992,390.50, 26,209,462.26 and 10,290,798.64

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Solution

The fourth proportional to 18,992,390.50, 26,209,462.26 and 10,290,798.64 is: 14,201,282.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,992,390.50 : 26,209,462.26 = 10,290,798.64 : x
  2. Step 2: Convert to fraction form
    18,992,390.50/26,209,462.26 = 10,290,798.64/x
  3. Step 3: Cross multiply
    18,992,390.50x = 26,209,462.26 × 10,290,798.64
  4. Step 4: Simplify right side
    18,992,390.50x = 269,716,298,580,339.34
  5. Step 5: Solve for x
    x = 269,716,298,580,339.34/18,992,390.50
  6. Step 6: Final answer
    x = 14,201,282.28

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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.