Home / 38,739,475.75-53,462,894.39-21,335,816.59

Finding the Fourth Proportional to 38,739,475.75, 53,462,894.39 and 21,335,816.59

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Solution

The fourth proportional to 38,739,475.75, 53,462,894.39 and 21,335,816.59 is: 29,444,758.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,739,475.75 : 53,462,894.39 = 21,335,816.59 : x
  2. Step 2: Convert to fraction form
    38,739,475.75/53,462,894.39 = 21,335,816.59/x
  3. Step 3: Cross multiply
    38,739,475.75x = 53,462,894.39 × 21,335,816.59
  4. Step 4: Simplify right side
    38,739,475.75x = 1,140,674,509,075,580
  5. Step 5: Solve for x
    x = 1,140,674,509,075,580/38,739,475.75
  6. Step 6: Final answer
    x = 29,444,758.53

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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.