Home / 30,674,825.08-42,326,056.28-18,284,696.40

Finding the Fourth Proportional to 30,674,825.08, 42,326,056.28 and 18,284,696.40

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Solution

The fourth proportional to 30,674,825.08, 42,326,056.28 and 18,284,696.40 is: 25,229,780.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,674,825.08 : 42,326,056.28 = 18,284,696.40 : x
  2. Step 2: Convert to fraction form
    30,674,825.08/42,326,056.28 = 18,284,696.40/x
  3. Step 3: Cross multiply
    30,674,825.08x = 42,326,056.28 × 18,284,696.40
  4. Step 4: Simplify right side
    30,674,825.08x = 773,919,088,889,113.38
  5. Step 5: Solve for x
    x = 773,919,088,889,113.38/30,674,825.08
  6. Step 6: Final answer
    x = 25,229,780.02

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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.