Home / 7,139,618.41-9,860,785.56-4,812,497.32

Finding the Fourth Proportional to 7,139,618.41, 9,860,785.56 and 4,812,497.32

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Solution

The fourth proportional to 7,139,618.41, 9,860,785.56 and 4,812,497.32 is: 6,646,714.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,139,618.41 : 9,860,785.56 = 4,812,497.32 : x
  2. Step 2: Convert to fraction form
    7,139,618.41/9,860,785.56 = 4,812,497.32/x
  3. Step 3: Cross multiply
    7,139,618.41x = 9,860,785.56 × 4,812,497.32
  4. Step 4: Simplify right side
    7,139,618.41x = 47,455,004,031,290.78
  5. Step 5: Solve for x
    x = 47,455,004,031,290.78/7,139,618.41
  6. Step 6: Final answer
    x = 6,646,714.34

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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.