Home / 21,048,717.77-31,574,208.46-6,672,906.57

Finding the Fourth Proportional to 21,048,717.77, 31,574,208.46 and 6,672,906.57

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Solution

The fourth proportional to 21,048,717.77, 31,574,208.46 and 6,672,906.57 is: 10,009,718.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,048,717.77 : 31,574,208.46 = 6,672,906.57 : x
  2. Step 2: Convert to fraction form
    21,048,717.77/31,574,208.46 = 6,672,906.57/x
  3. Step 3: Cross multiply
    21,048,717.77x = 31,574,208.46 × 6,672,906.57
  4. Step 4: Simplify right side
    21,048,717.77x = 210,691,742,900,730.28
  5. Step 5: Solve for x
    x = 210,691,742,900,730.28/21,048,717.77
  6. Step 6: Final answer
    x = 10,009,718.66

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.