Home / 18,340,504.32-25,308,971.28-10,191,567.36

Finding the Fourth Proportional to 18,340,504.32, 25,308,971.28 and 10,191,567.36

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Solution

The fourth proportional to 18,340,504.32, 25,308,971.28 and 10,191,567.36 is: 14,063,849.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,340,504.32 : 25,308,971.28 = 10,191,567.36 : x
  2. Step 2: Convert to fraction form
    18,340,504.32/25,308,971.28 = 10,191,567.36/x
  3. Step 3: Cross multiply
    18,340,504.32x = 25,308,971.28 × 10,191,567.36
  4. Step 4: Simplify right side
    18,340,504.32x = 257,938,085,612,425.41
  5. Step 5: Solve for x
    x = 257,938,085,612,425.41/18,340,504.32
  6. Step 6: Final answer
    x = 14,063,849.12

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1.5x scale

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.