Home / 9,791,838.39-13,512,116.75-5,440,670.67

Finding the Fourth Proportional to 9,791,838.39, 13,512,116.75 and 5,440,670.67

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Solution

The fourth proportional to 9,791,838.39, 13,512,116.75 and 5,440,670.67 is: 7,507,780.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,791,838.39 : 13,512,116.75 = 5,440,670.67 : x
  2. Step 2: Convert to fraction form
    9,791,838.39/13,512,116.75 = 5,440,670.67/x
  3. Step 3: Cross multiply
    9,791,838.39x = 13,512,116.75 × 5,440,670.67
  4. Step 4: Simplify right side
    9,791,838.39x = 73,514,977,264,137.36
  5. Step 5: Solve for x
    x = 73,514,977,264,137.36/9,791,838.39
  6. Step 6: Final answer
    x = 7,507,780.90

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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.