Home / 7,187,638.96-9,915,360.96-4,284,984.52

Finding the Fourth Proportional to 7,187,638.96, 9,915,360.96 and 4,284,984.52

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Solution

The fourth proportional to 7,187,638.96, 9,915,360.96 and 4,284,984.52 is: 5,911,143.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,187,638.96 : 9,915,360.96 = 4,284,984.52 : x
  2. Step 2: Convert to fraction form
    7,187,638.96/9,915,360.96 = 4,284,984.52/x
  3. Step 3: Cross multiply
    7,187,638.96x = 9,915,360.96 × 4,284,984.52
  4. Step 4: Simplify right side
    7,187,638.96x = 42,487,168,223,812.34
  5. Step 5: Solve for x
    x = 42,487,168,223,812.34/7,187,638.96
  6. Step 6: Final answer
    x = 5,911,143.90

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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.