Home / 13,303,004.87-18,355,013.53-8,075,881.22

Finding the Fourth Proportional to 13,303,004.87, 18,355,013.53 and 8,075,881.22

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Solution

The fourth proportional to 13,303,004.87, 18,355,013.53 and 8,075,881.22 is: 11,142,814.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,303,004.87 : 18,355,013.53 = 8,075,881.22 : x
  2. Step 2: Convert to fraction form
    13,303,004.87/18,355,013.53 = 8,075,881.22/x
  3. Step 3: Cross multiply
    13,303,004.87x = 18,355,013.53 × 8,075,881.22
  4. Step 4: Simplify right side
    13,303,004.87x = 148,232,908,947,808.12
  5. Step 5: Solve for x
    x = 148,232,908,947,808.12/13,303,004.87
  6. Step 6: Final answer
    x = 11,142,814.00

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.