Home / 38,281,022.18-52,830,955.32-21,766,329.08

Finding the Fourth Proportional to 38,281,022.18, 52,830,955.32 and 21,766,329.08

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Solution

The fourth proportional to 38,281,022.18, 52,830,955.32 and 21,766,329.08 is: 30,039,322.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,281,022.18 : 52,830,955.32 = 21,766,329.08 : x
  2. Step 2: Convert to fraction form
    38,281,022.18/52,830,955.32 = 21,766,329.08/x
  3. Step 3: Cross multiply
    38,281,022.18x = 52,830,955.32 × 21,766,329.08
  4. Step 4: Simplify right side
    38,281,022.18x = 1,149,935,959,105,896.50
  5. Step 5: Solve for x
    x = 1,149,935,959,105,896.50/38,281,022.18
  6. Step 6: Final answer
    x = 30,039,322.19

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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.