Home / 7,990,872.65-11,030,403-5,237,737.40

Finding the Fourth Proportional to 7,990,872.65, 11,030,403 and 5,237,737.40

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Solution

The fourth proportional to 7,990,872.65, 11,030,403 and 5,237,737.40 is: 7,230,043.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,990,872.65 : 11,030,403 = 5,237,737.40 : x
  2. Step 2: Convert to fraction form
    7,990,872.65/11,030,403 = 5,237,737.40/x
  3. Step 3: Cross multiply
    7,990,872.65x = 11,030,403 × 5,237,737.40
  4. Step 4: Simplify right side
    7,990,872.65x = 57,774,354,330,172.20
  5. Step 5: Solve for x
    x = 57,774,354,330,172.20/7,990,872.65
  6. Step 6: Final answer
    x = 7,230,043.18

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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.