Home / 30,316,515.76-45,474,970.47-12,122,239.47

Finding the Fourth Proportional to 30,316,515.76, 45,474,970.47 and 12,122,239.47

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Solution

The fourth proportional to 30,316,515.76, 45,474,970.47 and 12,122,239.47 is: 18,183,437.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,316,515.76 : 45,474,970.47 = 12,122,239.47 : x
  2. Step 2: Convert to fraction form
    30,316,515.76/45,474,970.47 = 12,122,239.47/x
  3. Step 3: Cross multiply
    30,316,515.76x = 45,474,970.47 × 12,122,239.47
  4. Step 4: Simplify right side
    30,316,515.76x = 551,258,481,928,518.44
  5. Step 5: Solve for x
    x = 551,258,481,928,518.44/30,316,515.76
  6. Step 6: Final answer
    x = 18,183,437.91

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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.