Home / 38,461,626.36-53,074,941.12-21,054,604.32

Finding the Fourth Proportional to 38,461,626.36, 53,074,941.12 and 21,054,604.32

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Solution

The fourth proportional to 38,461,626.36, 53,074,941.12 and 21,054,604.32 is: 29,054,202.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,461,626.36 : 53,074,941.12 = 21,054,604.32 : x
  2. Step 2: Convert to fraction form
    38,461,626.36/53,074,941.12 = 21,054,604.32/x
  3. Step 3: Cross multiply
    38,461,626.36x = 53,074,941.12 × 21,054,604.32
  4. Step 4: Simplify right side
    38,461,626.36x = 1,117,471,884,588,897.62
  5. Step 5: Solve for x
    x = 1,117,471,884,588,897.62/38,461,626.36
  6. Step 6: Final answer
    x = 29,054,202.60

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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.