Home / 7,109,178-9,810,943.80-4,168,586.40

Finding the Fourth Proportional to 7,109,178, 9,810,943.80 and 4,168,586.40

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Solution

The fourth proportional to 7,109,178, 9,810,943.80 and 4,168,586.40 is: 5,752,812.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,109,178 : 9,810,943.80 = 4,168,586.40 : x
  2. Step 2: Convert to fraction form
    7,109,178/9,810,943.80 = 4,168,586.40/x
  3. Step 3: Cross multiply
    7,109,178x = 9,810,943.80 × 4,168,586.40
  4. Step 4: Simplify right side
    7,109,178x = 40,897,766,895,844.32
  5. Step 5: Solve for x
    x = 40,897,766,895,844.32/7,109,178
  6. Step 6: Final answer
    x = 5,752,812.34

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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.