Home / 19,586,688.40-29,380,032.60-11,922,662.80

Finding the Fourth Proportional to 19,586,688.40, 29,380,032.60 and 11,922,662.80

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Solution

The fourth proportional to 19,586,688.40, 29,380,032.60 and 11,922,662.80 is: 17,883,994.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,586,688.40 : 29,380,032.60 = 11,922,662.80 : x
  2. Step 2: Convert to fraction form
    19,586,688.40/29,380,032.60 = 11,922,662.80/x
  3. Step 3: Cross multiply
    19,586,688.40x = 29,380,032.60 × 11,922,662.80
  4. Step 4: Simplify right side
    19,586,688.40x = 350,288,221,742,807.31
  5. Step 5: Solve for x
    x = 350,288,221,742,807.31/19,586,688.40
  6. Step 6: Final answer
    x = 17,883,994.20

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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.