Home / 30,307,578-45,479,303.04-11,151,787.16

Finding the Fourth Proportional to 30,307,578, 45,479,303.04 and 11,151,787.16

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Solution

The fourth proportional to 30,307,578, 45,479,303.04 and 11,151,787.16 is: 16,734,280.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,307,578 : 45,479,303.04 = 11,151,787.16 : x
  2. Step 2: Convert to fraction form
    30,307,578/45,479,303.04 = 11,151,787.16/x
  3. Step 3: Cross multiply
    30,307,578x = 45,479,303.04 × 11,151,787.16
  4. Step 4: Simplify right side
    30,307,578x = 507,175,507,687,220.94
  5. Step 5: Solve for x
    x = 507,175,507,687,220.94/30,307,578
  6. Step 6: Final answer
    x = 16,734,280.37

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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.