Home / 42,089,648.40-63,136,440.90-13,338,034.20

Finding the Fourth Proportional to 42,089,648.40, 63,136,440.90 and 13,338,034.20

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Solution

The fourth proportional to 42,089,648.40, 63,136,440.90 and 13,338,034.20 is: 20,007,675.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,089,648.40 : 63,136,440.90 = 13,338,034.20 : x
  2. Step 2: Convert to fraction form
    42,089,648.40/63,136,440.90 = 13,338,034.20/x
  3. Step 3: Cross multiply
    42,089,648.40x = 63,136,440.90 × 13,338,034.20
  4. Step 4: Simplify right side
    42,089,648.40x = 842,116,007,990,478.75
  5. Step 5: Solve for x
    x = 842,116,007,990,478.75/42,089,648.40
  6. Step 6: Final answer
    x = 20,007,675.05

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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.