Home / 18,291,764-25,243,097.80-10,032,155.12

Finding the Fourth Proportional to 18,291,764, 25,243,097.80 and 10,032,155.12

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Solution

The fourth proportional to 18,291,764, 25,243,097.80 and 10,032,155.12 is: 13,844,628.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,291,764 : 25,243,097.80 = 10,032,155.12 : x
  2. Step 2: Convert to fraction form
    18,291,764/25,243,097.80 = 10,032,155.12/x
  3. Step 3: Cross multiply
    18,291,764x = 25,243,097.80 × 10,032,155.12
  4. Step 4: Simplify right side
    18,291,764x = 253,242,672,838,930.72
  5. Step 5: Solve for x
    x = 253,242,672,838,930.72/18,291,764
  6. Step 6: Final answer
    x = 13,844,628.26

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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.