Home / 20,883,956.63-28,819,425.66-11,590,981.34

Finding the Fourth Proportional to 20,883,956.63, 28,819,425.66 and 11,590,981.34

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Solution

The fourth proportional to 20,883,956.63, 28,819,425.66 and 11,590,981.34 is: 15,995,313.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,883,956.63 : 28,819,425.66 = 11,590,981.34 : x
  2. Step 2: Convert to fraction form
    20,883,956.63/28,819,425.66 = 11,590,981.34/x
  3. Step 3: Cross multiply
    20,883,956.63x = 28,819,425.66 × 11,590,981.34
  4. Step 4: Simplify right side
    20,883,956.63x = 334,045,425,054,577.19
  5. Step 5: Solve for x
    x = 334,045,425,054,577.19/20,883,956.63
  6. Step 6: Final answer
    x = 15,995,313.10

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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.