Home / 14,396,442.95-19,761,340.40-12,728,308.70

Finding the Fourth Proportional to 14,396,442.95, 19,761,340.40 and 12,728,308.70

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Solution

The fourth proportional to 14,396,442.95, 19,761,340.40 and 12,728,308.70 is: 17,471,568.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,396,442.95 : 19,761,340.40 = 12,728,308.70 : x
  2. Step 2: Convert to fraction form
    14,396,442.95/19,761,340.40 = 12,728,308.70/x
  3. Step 3: Cross multiply
    14,396,442.95x = 19,761,340.40 × 12,728,308.70
  4. Step 4: Simplify right side
    14,396,442.95x = 251,528,440,774,533.25
  5. Step 5: Solve for x
    x = 251,528,440,774,533.25/14,396,442.95
  6. Step 6: Final answer
    x = 17,471,568.62

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.