Home / 28,089,680.40-42,126,122.16-14,619,160.08

Finding the Fourth Proportional to 28,089,680.40, 42,126,122.16 and 14,619,160.08

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Solution

The fourth proportional to 28,089,680.40, 42,126,122.16 and 14,619,160.08 is: 21,924,369.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,089,680.40 : 42,126,122.16 = 14,619,160.08 : x
  2. Step 2: Convert to fraction form
    28,089,680.40/42,126,122.16 = 14,619,160.08/x
  3. Step 3: Cross multiply
    28,089,680.40x = 42,126,122.16 × 14,619,160.08
  4. Step 4: Simplify right side
    28,089,680.40x = 615,848,523,406,675.38
  5. Step 5: Solve for x
    x = 615,848,523,406,675.38/28,089,680.40
  6. Step 6: Final answer
    x = 21,924,369.19

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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.