Home / 14,020,075.20-21,030,112.80-6,461,803.20

Finding the Fourth Proportional to 14,020,075.20, 21,030,112.80 and 6,461,803.20

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Solution

The fourth proportional to 14,020,075.20, 21,030,112.80 and 6,461,803.20 is: 9,692,704.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,020,075.20 : 21,030,112.80 = 6,461,803.20 : x
  2. Step 2: Convert to fraction form
    14,020,075.20/21,030,112.80 = 6,461,803.20/x
  3. Step 3: Cross multiply
    14,020,075.20x = 21,030,112.80 × 6,461,803.20
  4. Step 4: Simplify right side
    14,020,075.20x = 135,892,450,187,400.97
  5. Step 5: Solve for x
    x = 135,892,450,187,400.97/14,020,075.20
  6. Step 6: Final answer
    x = 9,692,704.80

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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.