Home / 30,009,405.40-41,413,020.06-16,258,369.12

Finding the Fourth Proportional to 30,009,405.40, 41,413,020.06 and 16,258,369.12

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Solution

The fourth proportional to 30,009,405.40, 41,413,020.06 and 16,258,369.12 is: 22,436,571.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,009,405.40 : 41,413,020.06 = 16,258,369.12 : x
  2. Step 2: Convert to fraction form
    30,009,405.40/41,413,020.06 = 16,258,369.12/x
  3. Step 3: Cross multiply
    30,009,405.40x = 41,413,020.06 × 16,258,369.12
  4. Step 4: Simplify right side
    30,009,405.40x = 673,308,166,509,444.50
  5. Step 5: Solve for x
    x = 673,308,166,509,444.50/30,009,405.40
  6. Step 6: Final answer
    x = 22,436,571.39

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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.