Home / 18,832,485.78-28,248,991.08-5,369,313.78

Finding the Fourth Proportional to 18,832,485.78, 28,248,991.08 and 5,369,313.78

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Solution

The fourth proportional to 18,832,485.78, 28,248,991.08 and 5,369,313.78 is: 8,054,045.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,832,485.78 : 28,248,991.08 = 5,369,313.78 : x
  2. Step 2: Convert to fraction form
    18,832,485.78/28,248,991.08 = 5,369,313.78/x
  3. Step 3: Cross multiply
    18,832,485.78x = 28,248,991.08 × 5,369,313.78
  4. Step 4: Simplify right side
    18,832,485.78x = 151,677,697,076,941.09
  5. Step 5: Solve for x
    x = 151,677,697,076,941.09/18,832,485.78
  6. Step 6: Final answer
    x = 8,054,045.49

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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.