Home / 21,809,988.54-30,098,967.80-12,517,484.32

Finding the Fourth Proportional to 21,809,988.54, 30,098,967.80 and 12,517,484.32

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Solution

The fourth proportional to 21,809,988.54, 30,098,967.80 and 12,517,484.32 is: 17,274,807.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,809,988.54 : 30,098,967.80 = 12,517,484.32 : x
  2. Step 2: Convert to fraction form
    21,809,988.54/30,098,967.80 = 12,517,484.32/x
  3. Step 3: Cross multiply
    21,809,988.54x = 30,098,967.80 × 12,517,484.32
  4. Step 4: Simplify right side
    21,809,988.54x = 376,763,357,365,483.75
  5. Step 5: Solve for x
    x = 376,763,357,365,483.75/21,809,988.54
  6. Step 6: Final answer
    x = 17,274,807.67

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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.