Home / 19,152,995.76-28,520,915.76-18,940,944.24

Finding the Fourth Proportional to 19,152,995.76, 28,520,915.76 and 18,940,944.24

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Solution

The fourth proportional to 19,152,995.76, 28,520,915.76 and 18,940,944.24 is: 28,205,147.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,152,995.76 : 28,520,915.76 = 18,940,944.24 : x
  2. Step 2: Convert to fraction form
    19,152,995.76/28,520,915.76 = 18,940,944.24/x
  3. Step 3: Cross multiply
    19,152,995.76x = 28,520,915.76 × 18,940,944.24
  4. Step 4: Simplify right side
    19,152,995.76x = 540,213,075,083,897.19
  5. Step 5: Solve for x
    x = 540,213,075,083,897.19/19,152,995.76
  6. Step 6: Final answer
    x = 28,205,147.74

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.