Home / 38,461,487.48-53,074,750.37-21,054,465.57

Finding the Fourth Proportional to 38,461,487.48, 53,074,750.37 and 21,054,465.57

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Solution

The fourth proportional to 38,461,487.48, 53,074,750.37 and 21,054,465.57 is: 29,054,011.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,461,487.48 : 53,074,750.37 = 21,054,465.57 : x
  2. Step 2: Convert to fraction form
    38,461,487.48/53,074,750.37 = 21,054,465.57/x
  3. Step 3: Cross multiply
    38,461,487.48x = 53,074,750.37 × 21,054,465.57
  4. Step 4: Simplify right side
    38,461,487.48x = 1,117,460,504,301,509.75
  5. Step 5: Solve for x
    x = 1,117,460,504,301,509.75/38,461,487.48
  6. Step 6: Final answer
    x = 29,054,011.62

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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.