Home / 13,208,712.30-19,813,068.45-11,886,014.70

Finding the Fourth Proportional to 13,208,712.30, 19,813,068.45 and 11,886,014.70

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Solution

The fourth proportional to 13,208,712.30, 19,813,068.45 and 11,886,014.70 is: 17,829,022.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,208,712.30 : 19,813,068.45 = 11,886,014.70 : x
  2. Step 2: Convert to fraction form
    13,208,712.30/19,813,068.45 = 11,886,014.70/x
  3. Step 3: Cross multiply
    13,208,712.30x = 19,813,068.45 × 11,886,014.70
  4. Step 4: Simplify right side
    13,208,712.30x = 235,498,422,848,806.19
  5. Step 5: Solve for x
    x = 235,498,422,848,806.19/13,208,712.30
  6. Step 6: Final answer
    x = 17,829,022.05

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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.