Home / 15,336,684.60-21,163,886.08-8,366,947.28

Finding the Fourth Proportional to 15,336,684.60, 21,163,886.08 and 8,366,947.28

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Solution

The fourth proportional to 15,336,684.60, 21,163,886.08 and 8,366,947.28 is: 11,545,984.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,336,684.60 : 21,163,886.08 = 8,366,947.28 : x
  2. Step 2: Convert to fraction form
    15,336,684.60/21,163,886.08 = 8,366,947.28/x
  3. Step 3: Cross multiply
    15,336,684.60x = 21,163,886.08 × 8,366,947.28
  4. Step 4: Simplify right side
    15,336,684.60x = 177,077,119,071,285.84
  5. Step 5: Solve for x
    x = 177,077,119,071,285.84/15,336,684.60
  6. Step 6: Final answer
    x = 11,545,984.27

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.