Home / 8,685,312.55-11,987,168.75-4,819,079.28

Finding the Fourth Proportional to 8,685,312.55, 11,987,168.75 and 4,819,079.28

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Solution

The fourth proportional to 8,685,312.55, 11,987,168.75 and 4,819,079.28 is: 6,651,126.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,685,312.55 : 11,987,168.75 = 4,819,079.28 : x
  2. Step 2: Convert to fraction form
    8,685,312.55/11,987,168.75 = 4,819,079.28/x
  3. Step 3: Cross multiply
    8,685,312.55x = 11,987,168.75 × 4,819,079.28
  4. Step 4: Simplify right side
    8,685,312.55x = 57,767,116,548,988.50
  5. Step 5: Solve for x
    x = 57,767,116,548,988.50/8,685,312.55
  6. Step 6: Final answer
    x = 6,651,126.97

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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.