Home / 19,089,818.82-28,634,787.09-4,712,888.25

Finding the Fourth Proportional to 19,089,818.82, 28,634,787.09 and 4,712,888.25

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Solution

The fourth proportional to 19,089,818.82, 28,634,787.09 and 4,712,888.25 is: 7,069,346.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,089,818.82 : 28,634,787.09 = 4,712,888.25 : x
  2. Step 2: Convert to fraction form
    19,089,818.82/28,634,787.09 = 4,712,888.25/x
  3. Step 3: Cross multiply
    19,089,818.82x = 28,634,787.09 × 4,712,888.25
  4. Step 4: Simplify right side
    19,089,818.82x = 134,952,551,617,712.69
  5. Step 5: Solve for x
    x = 134,952,551,617,712.69/19,089,818.82
  6. Step 6: Final answer
    x = 7,069,346.91

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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.