Home / 30,124,728.74-41,592,145.60-23,142,971.82

Finding the Fourth Proportional to 30,124,728.74, 41,592,145.60 and 23,142,971.82

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Solution

The fourth proportional to 30,124,728.74, 41,592,145.60 and 23,142,971.82 is: 31,952,681.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,124,728.74 : 41,592,145.60 = 23,142,971.82 : x
  2. Step 2: Convert to fraction form
    30,124,728.74/41,592,145.60 = 23,142,971.82/x
  3. Step 3: Cross multiply
    30,124,728.74x = 41,592,145.60 × 23,142,971.82
  4. Step 4: Simplify right side
    30,124,728.74x = 962,565,853,554,137
  5. Step 5: Solve for x
    x = 962,565,853,554,137/30,124,728.74
  6. Step 6: Final answer
    x = 31,952,681.20

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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.