Home / 18,243,969.60-25,179,348.96-10,507,506.24

Finding the Fourth Proportional to 18,243,969.60, 25,179,348.96 and 10,507,506.24

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Solution

The fourth proportional to 18,243,969.60, 25,179,348.96 and 10,507,506.24 is: 14,501,896.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,243,969.60 : 25,179,348.96 = 10,507,506.24 : x
  2. Step 2: Convert to fraction form
    18,243,969.60/25,179,348.96 = 10,507,506.24/x
  3. Step 3: Cross multiply
    18,243,969.60x = 25,179,348.96 × 10,507,506.24
  4. Step 4: Simplify right side
    18,243,969.60x = 264,572,166,316,337.53
  5. Step 5: Solve for x
    x = 264,572,166,316,337.53/18,243,969.60
  6. Step 6: Final answer
    x = 14,501,896.91

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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.