Home / 19,380,842.60-29,068,931.10-8,020,106.60

Finding the Fourth Proportional to 19,380,842.60, 29,068,931.10 and 8,020,106.60

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Solution

The fourth proportional to 19,380,842.60, 29,068,931.10 and 8,020,106.60 is: 12,029,194.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,380,842.60 : 29,068,931.10 = 8,020,106.60 : x
  2. Step 2: Convert to fraction form
    19,380,842.60/29,068,931.10 = 8,020,106.60/x
  3. Step 3: Cross multiply
    19,380,842.60x = 29,068,931.10 × 8,020,106.60
  4. Step 4: Simplify right side
    19,380,842.60x = 233,135,926,170,055.25
  5. Step 5: Solve for x
    x = 233,135,926,170,055.25/19,380,842.60
  6. Step 6: Final answer
    x = 12,029,194.55

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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.