Home / 7,118,712.96-9,824,686.74-4,021,366.92

Finding the Fourth Proportional to 7,118,712.96, 9,824,686.74 and 4,021,366.92

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Solution

The fourth proportional to 7,118,712.96, 9,824,686.74 and 4,021,366.92 is: 5,549,973.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,118,712.96 : 9,824,686.74 = 4,021,366.92 : x
  2. Step 2: Convert to fraction form
    7,118,712.96/9,824,686.74 = 4,021,366.92/x
  3. Step 3: Cross multiply
    7,118,712.96x = 9,824,686.74 × 4,021,366.92
  4. Step 4: Simplify right side
    7,118,712.96x = 39,508,670,255,598.64
  5. Step 5: Solve for x
    x = 39,508,670,255,598.64/7,118,712.96
  6. Step 6: Final answer
    x = 5,549,973.78

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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.