Home / 40,038,021.15-55,252,055.12-22,396,694.19

Finding the Fourth Proportional to 40,038,021.15, 55,252,055.12 and 22,396,694.19

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Solution

The fourth proportional to 40,038,021.15, 55,252,055.12 and 22,396,694.19 is: 30,907,206.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,038,021.15 : 55,252,055.12 = 22,396,694.19 : x
  2. Step 2: Convert to fraction form
    40,038,021.15/55,252,055.12 = 22,396,694.19/x
  3. Step 3: Cross multiply
    40,038,021.15x = 55,252,055.12 × 22,396,694.19
  4. Step 4: Simplify right side
    40,038,021.15x = 1,237,463,381,779,680.50
  5. Step 5: Solve for x
    x = 1,237,463,381,779,680.50/40,038,021.15
  6. Step 6: Final answer
    x = 30,907,206.36

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Double scale
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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.