Home / 11,148,053.76-15,384,303.36-6,319,157.76

Finding the Fourth Proportional to 11,148,053.76, 15,384,303.36 and 6,319,157.76

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Solution

The fourth proportional to 11,148,053.76, 15,384,303.36 and 6,319,157.76 is: 8,720,431.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,148,053.76 : 15,384,303.36 = 6,319,157.76 : x
  2. Step 2: Convert to fraction form
    11,148,053.76/15,384,303.36 = 6,319,157.76/x
  3. Step 3: Cross multiply
    11,148,053.76x = 15,384,303.36 × 6,319,157.76
  4. Step 4: Simplify right side
    11,148,053.76x = 97,215,839,959,538.06
  5. Step 5: Solve for x
    x = 97,215,839,959,538.06/11,148,053.76
  6. Step 6: Final answer
    x = 8,720,431.57

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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.