Home / 19,928,763.60-29,893,145.40-18,228,152.40

Finding the Fourth Proportional to 19,928,763.60, 29,893,145.40 and 18,228,152.40

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Solution

The fourth proportional to 19,928,763.60, 29,893,145.40 and 18,228,152.40 is: 27,342,228.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,928,763.60 : 29,893,145.40 = 18,228,152.40 : x
  2. Step 2: Convert to fraction form
    19,928,763.60/29,893,145.40 = 18,228,152.40/x
  3. Step 3: Cross multiply
    19,928,763.60x = 29,893,145.40 × 18,228,152.40
  4. Step 4: Simplify right side
    19,928,763.60x = 544,896,810,066,558.88
  5. Step 5: Solve for x
    x = 544,896,810,066,558.88/19,928,763.60
  6. Step 6: Final answer
    x = 27,342,228.60

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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.