Home / 7,228,681.54-9,975,522.39-3,920,967.53

Finding the Fourth Proportional to 7,228,681.54, 9,975,522.39 and 3,920,967.53

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Solution

The fourth proportional to 7,228,681.54, 9,975,522.39 and 3,920,967.53 is: 5,410,903.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,228,681.54 : 9,975,522.39 = 3,920,967.53 : x
  2. Step 2: Convert to fraction form
    7,228,681.54/9,975,522.39 = 3,920,967.53/x
  3. Step 3: Cross multiply
    7,228,681.54x = 9,975,522.39 × 3,920,967.53
  4. Step 4: Simplify right side
    7,228,681.54x = 39,113,699,397,888.84
  5. Step 5: Solve for x
    x = 39,113,699,397,888.84/7,228,681.54
  6. Step 6: Final answer
    x = 5,410,903.66

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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.