Home / 21,943,091.35-30,281,955.37-12,523,693.40

Finding the Fourth Proportional to 21,943,091.35, 30,281,955.37 and 12,523,693.40

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Solution

The fourth proportional to 21,943,091.35, 30,281,955.37 and 12,523,693.40 is: 17,282,976.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,943,091.35 : 30,281,955.37 = 12,523,693.40 : x
  2. Step 2: Convert to fraction form
    21,943,091.35/30,281,955.37 = 12,523,693.40/x
  3. Step 3: Cross multiply
    21,943,091.35x = 30,281,955.37 × 12,523,693.40
  4. Step 4: Simplify right side
    21,943,091.35x = 379,241,924,537,201.88
  5. Step 5: Solve for x
    x = 379,241,924,537,201.88/21,943,091.35
  6. Step 6: Final answer
    x = 17,282,976.15

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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.