Home / 19,152,239.93-28,728,170.57-8,774,515.32

Finding the Fourth Proportional to 19,152,239.93, 28,728,170.57 and 8,774,515.32

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Solution

The fourth proportional to 19,152,239.93, 28,728,170.57 and 8,774,515.32 is: 13,161,686.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,152,239.93 : 28,728,170.57 = 8,774,515.32 : x
  2. Step 2: Convert to fraction form
    19,152,239.93/28,728,170.57 = 8,774,515.32/x
  3. Step 3: Cross multiply
    19,152,239.93x = 28,728,170.57 × 8,774,515.32
  4. Step 4: Simplify right side
    19,152,239.93x = 252,075,772,802,296.72
  5. Step 5: Solve for x
    x = 252,075,772,802,296.72/19,152,239.93
  6. Step 6: Final answer
    x = 13,161,686.24

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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.