Home / 40,073,748.18-55,301,878.98-21,739,033.68

Finding the Fourth Proportional to 40,073,748.18, 55,301,878.98 and 21,739,033.68

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Solution

The fourth proportional to 40,073,748.18, 55,301,878.98 and 21,739,033.68 is: 29,999,924.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,073,748.18 : 55,301,878.98 = 21,739,033.68 : x
  2. Step 2: Convert to fraction form
    40,073,748.18/55,301,878.98 = 21,739,033.68/x
  3. Step 3: Cross multiply
    40,073,748.18x = 55,301,878.98 × 21,739,033.68
  4. Step 4: Simplify right side
    40,073,748.18x = 1,202,209,409,713,504
  5. Step 5: Solve for x
    x = 1,202,209,409,713,504/40,073,748.18
  6. Step 6: Final answer
    x = 29,999,924.25

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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.