Home / 22,189,888.46-30,622,087.70-12,400,332.70

Finding the Fourth Proportional to 22,189,888.46, 30,622,087.70 and 12,400,332.70

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Solution

The fourth proportional to 22,189,888.46, 30,622,087.70 and 12,400,332.70 is: 17,112,482.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,189,888.46 : 30,622,087.70 = 12,400,332.70 : x
  2. Step 2: Convert to fraction form
    22,189,888.46/30,622,087.70 = 12,400,332.70/x
  3. Step 3: Cross multiply
    22,189,888.46x = 30,622,087.70 × 12,400,332.70
  4. Step 4: Simplify right side
    22,189,888.46x = 379,724,075,448,577.75
  5. Step 5: Solve for x
    x = 379,724,075,448,577.75/22,189,888.46
  6. Step 6: Final answer
    x = 17,112,482.39

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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.