Home / 15,956,109.60-22,020,255.72-9,759,212.40

Finding the Fourth Proportional to 15,956,109.60, 22,020,255.72 and 9,759,212.40

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Solution

The fourth proportional to 15,956,109.60, 22,020,255.72 and 9,759,212.40 is: 13,468,217.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,956,109.60 : 22,020,255.72 = 9,759,212.40 : x
  2. Step 2: Convert to fraction form
    15,956,109.60/22,020,255.72 = 9,759,212.40/x
  3. Step 3: Cross multiply
    15,956,109.60x = 22,020,255.72 × 9,759,212.40
  4. Step 4: Simplify right side
    15,956,109.60x = 214,900,352,673,794.94
  5. Step 5: Solve for x
    x = 214,900,352,673,794.94/15,956,109.60
  6. Step 6: Final answer
    x = 13,468,217.38

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1.5x scale

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.