Home / 15,557,870.89-21,470,205.81-8,588,532.34

Finding the Fourth Proportional to 15,557,870.89, 21,470,205.81 and 8,588,532.34

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Solution

The fourth proportional to 15,557,870.89, 21,470,205.81 and 8,588,532.34 is: 11,852,364.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,557,870.89 : 21,470,205.81 = 8,588,532.34 : x
  2. Step 2: Convert to fraction form
    15,557,870.89/21,470,205.81 = 8,588,532.34/x
  3. Step 3: Cross multiply
    15,557,870.89x = 21,470,205.81 × 8,588,532.34
  4. Step 4: Simplify right side
    15,557,870.89x = 184,397,556,945,640.88
  5. Step 5: Solve for x
    x = 184,397,556,945,640.88/15,557,870.89
  6. Step 6: Final answer
    x = 11,852,364.52

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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.