Home / 8,133,087.80-12,185,634.90-5,291,737.40

Finding the Fourth Proportional to 8,133,087.80, 12,185,634.90 and 5,291,737.40

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Solution

The fourth proportional to 8,133,087.80, 12,185,634.90 and 5,291,737.40 is: 7,928,499.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,133,087.80 : 12,185,634.90 = 5,291,737.40 : x
  2. Step 2: Convert to fraction form
    8,133,087.80/12,185,634.90 = 5,291,737.40/x
  3. Step 3: Cross multiply
    8,133,087.80x = 12,185,634.90 × 5,291,737.40
  4. Step 4: Simplify right side
    8,133,087.80x = 64,483,179,943,075.27
  5. Step 5: Solve for x
    x = 64,483,179,943,075.27/8,133,087.80
  6. Step 6: Final answer
    x = 7,928,499.18

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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.