Home / 20,883,955.63-28,819,424.28-11,590,980.34

Finding the Fourth Proportional to 20,883,955.63, 28,819,424.28 and 11,590,980.34

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Solution

The fourth proportional to 20,883,955.63, 28,819,424.28 and 11,590,980.34 is: 15,995,311.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,883,955.63 : 28,819,424.28 = 11,590,980.34 : x
  2. Step 2: Convert to fraction form
    20,883,955.63/28,819,424.28 = 11,590,980.34/x
  3. Step 3: Cross multiply
    20,883,955.63x = 28,819,424.28 × 11,590,980.34
  4. Step 4: Simplify right side
    20,883,955.63x = 334,045,380,239,598.69
  5. Step 5: Solve for x
    x = 334,045,380,239,598.69/20,883,955.63
  6. Step 6: Final answer
    x = 15,995,311.72

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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.