Home / 12,297,999.60-18,447,436.80-3,778,322.40

Finding the Fourth Proportional to 12,297,999.60, 18,447,436.80 and 3,778,322.40

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Solution

The fourth proportional to 12,297,999.60, 18,447,436.80 and 3,778,322.40 is: 5,667,617.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,297,999.60 : 18,447,436.80 = 3,778,322.40 : x
  2. Step 2: Convert to fraction form
    12,297,999.60/18,447,436.80 = 3,778,322.40/x
  3. Step 3: Cross multiply
    12,297,999.60x = 18,447,436.80 × 3,778,322.40
  4. Step 4: Simplify right side
    12,297,999.60x = 69,700,363,684,024.32
  5. Step 5: Solve for x
    x = 69,700,363,684,024.32/12,297,999.60
  6. Step 6: Final answer
    x = 5,667,617.98

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.