Home / 31,009,931.21-46,543,640.63-15,668,003.79

Finding the Fourth Proportional to 31,009,931.21, 46,543,640.63 and 15,668,003.79

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Solution

The fourth proportional to 31,009,931.21, 46,543,640.63 and 15,668,003.79 is: 23,516,528.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,009,931.21 : 46,543,640.63 = 15,668,003.79 : x
  2. Step 2: Convert to fraction form
    31,009,931.21/46,543,640.63 = 15,668,003.79/x
  3. Step 3: Cross multiply
    31,009,931.21x = 46,543,640.63 × 15,668,003.79
  4. Step 4: Simplify right side
    31,009,931.21x = 729,245,937,712,897.88
  5. Step 5: Solve for x
    x = 729,245,937,712,897.88/31,009,931.21
  6. Step 6: Final answer
    x = 23,516,528.71

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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.