Home / 13,176,075.80-19,764,113.70-5,089,424.60

Finding the Fourth Proportional to 13,176,075.80, 19,764,113.70 and 5,089,424.60

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Solution

The fourth proportional to 13,176,075.80, 19,764,113.70 and 5,089,424.60 is: 7,634,136.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,176,075.80 : 19,764,113.70 = 5,089,424.60 : x
  2. Step 2: Convert to fraction form
    13,176,075.80/19,764,113.70 = 5,089,424.60/x
  3. Step 3: Cross multiply
    13,176,075.80x = 19,764,113.70 × 5,089,424.60
  4. Step 4: Simplify right side
    13,176,075.80x = 100,587,966,461,977.02
  5. Step 5: Solve for x
    x = 100,587,966,461,977.02/13,176,075.80
  6. Step 6: Final answer
    x = 7,634,136.90

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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.