Home / 7,118,782.34-9,824,782.48-4,021,436.30

Finding the Fourth Proportional to 7,118,782.34, 9,824,782.48 and 4,021,436.30

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Solution

The fourth proportional to 7,118,782.34, 9,824,782.48 and 4,021,436.30 is: 5,550,069.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,118,782.34 : 9,824,782.48 = 4,021,436.30 : x
  2. Step 2: Convert to fraction form
    7,118,782.34/9,824,782.48 = 4,021,436.30/x
  3. Step 3: Cross multiply
    7,118,782.34x = 9,824,782.48 × 4,021,436.30
  4. Step 4: Simplify right side
    7,118,782.34x = 39,509,736,845,498.52
  5. Step 5: Solve for x
    x = 39,509,736,845,498.52/7,118,782.34
  6. Step 6: Final answer
    x = 5,550,069.52

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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.