Home / 28,970,718.70-43,456,078.05-15,533,790.70

Finding the Fourth Proportional to 28,970,718.70, 43,456,078.05 and 15,533,790.70

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Solution

The fourth proportional to 28,970,718.70, 43,456,078.05 and 15,533,790.70 is: 23,300,686.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,970,718.70 : 43,456,078.05 = 15,533,790.70 : x
  2. Step 2: Convert to fraction form
    28,970,718.70/43,456,078.05 = 15,533,790.70/x
  3. Step 3: Cross multiply
    28,970,718.70x = 43,456,078.05 × 15,533,790.70
  4. Step 4: Simplify right side
    28,970,718.70x = 675,037,621,071,564
  5. Step 5: Solve for x
    x = 675,037,621,071,564/28,970,718.70
  6. Step 6: Final answer
    x = 23,300,686.05

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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.