Home / 7,018,153.88-10,528,235.04-2,160,871.36

Finding the Fourth Proportional to 7,018,153.88, 10,528,235.04 and 2,160,871.36

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Solution

The fourth proportional to 7,018,153.88, 10,528,235.04 and 2,160,871.36 is: 3,241,616.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,018,153.88 : 10,528,235.04 = 2,160,871.36 : x
  2. Step 2: Convert to fraction form
    7,018,153.88/10,528,235.04 = 2,160,871.36/x
  3. Step 3: Cross multiply
    7,018,153.88x = 10,528,235.04 × 2,160,871.36
  4. Step 4: Simplify right side
    7,018,153.88x = 22,750,161,569,284.45
  5. Step 5: Solve for x
    x = 22,750,161,569,284.45/7,018,153.88
  6. Step 6: Final answer
    x = 3,241,616.24

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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.