Home / 21,014,737.60-31,522,106.40-11,448,799.60

Finding the Fourth Proportional to 21,014,737.60, 31,522,106.40 and 11,448,799.60

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Solution

The fourth proportional to 21,014,737.60, 31,522,106.40 and 11,448,799.60 is: 17,173,199.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,014,737.60 : 31,522,106.40 = 11,448,799.60 : x
  2. Step 2: Convert to fraction form
    21,014,737.60/31,522,106.40 = 11,448,799.60/x
  3. Step 3: Cross multiply
    21,014,737.60x = 31,522,106.40 × 11,448,799.60
  4. Step 4: Simplify right side
    21,014,737.60x = 360,890,279,143,477.44
  5. Step 5: Solve for x
    x = 360,890,279,143,477.44/21,014,737.60
  6. Step 6: Final answer
    x = 17,173,199.40

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1.5x scale

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.