Home / 18,143,999.10-25,038,707.79-9,995,237.10

Finding the Fourth Proportional to 18,143,999.10, 25,038,707.79 and 9,995,237.10

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Solution

The fourth proportional to 18,143,999.10, 25,038,707.79 and 9,995,237.10 is: 13,793,421.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,143,999.10 : 25,038,707.79 = 9,995,237.10 : x
  2. Step 2: Convert to fraction form
    18,143,999.10/25,038,707.79 = 9,995,237.10/x
  3. Step 3: Cross multiply
    18,143,999.10x = 25,038,707.79 × 9,995,237.10
  4. Step 4: Simplify right side
    18,143,999.10x = 250,267,821,038,667
  5. Step 5: Solve for x
    x = 250,267,821,038,667/18,143,999.10
  6. Step 6: Final answer
    x = 13,793,421.16

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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.