Home / 10,090,915.69-13,920,621.59-6,604,720.14

Finding the Fourth Proportional to 10,090,915.69, 13,920,621.59 and 6,604,720.14

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Solution

The fourth proportional to 10,090,915.69, 13,920,621.59 and 6,604,720.14 is: 9,111,344.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,090,915.69 : 13,920,621.59 = 6,604,720.14 : x
  2. Step 2: Convert to fraction form
    10,090,915.69/13,920,621.59 = 6,604,720.14/x
  3. Step 3: Cross multiply
    10,090,915.69x = 13,920,621.59 × 6,604,720.14
  4. Step 4: Simplify right side
    10,090,915.69x = 91,941,809,776,791.81
  5. Step 5: Solve for x
    x = 91,941,809,776,791.81/10,090,915.69
  6. Step 6: Final answer
    x = 9,111,344.56

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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.