Home / 9,919,953.93-13,689,070.56-5,509,965.47

Finding the Fourth Proportional to 9,919,953.93, 13,689,070.56 and 5,509,965.47

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Solution

The fourth proportional to 9,919,953.93, 13,689,070.56 and 5,509,965.47 is: 7,603,493.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,919,953.93 : 13,689,070.56 = 5,509,965.47 : x
  2. Step 2: Convert to fraction form
    9,919,953.93/13,689,070.56 = 5,509,965.47/x
  3. Step 3: Cross multiply
    9,919,953.93x = 13,689,070.56 × 5,509,965.47
  4. Step 4: Simplify right side
    9,919,953.93x = 75,426,306,173,171.39
  5. Step 5: Solve for x
    x = 75,426,306,173,171.39/9,919,953.93
  6. Step 6: Final answer
    x = 7,603,493.60

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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.