Home / 19,095,989.15-28,643,703.27-4,719,056.56

Finding the Fourth Proportional to 19,095,989.15, 28,643,703.27 and 4,719,056.56

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Solution

The fourth proportional to 19,095,989.15, 28,643,703.27 and 4,719,056.56 is: 7,078,515.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,095,989.15 : 28,643,703.27 = 4,719,056.56 : x
  2. Step 2: Convert to fraction form
    19,095,989.15/28,643,703.27 = 4,719,056.56/x
  3. Step 3: Cross multiply
    19,095,989.15x = 28,643,703.27 × 4,719,056.56
  4. Step 4: Simplify right side
    19,095,989.15x = 135,171,255,729,681.23
  5. Step 5: Solve for x
    x = 135,171,255,729,681.23/19,095,989.15
  6. Step 6: Final answer
    x = 7,078,515.53

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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.