Home / 15,276,483,925.15-21,081,175,748.63-8,409,824,744.74

Finding the Fourth Proportional to 15,276,483,925.15, 21,081,175,748.63 and 8,409,824,744.74

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Solution

The fourth proportional to 15,276,483,925.15, 21,081,175,748.63 and 8,409,824,744.74 is: 11,605,353,321.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,276,483,925.15 : 21,081,175,748.63 = 8,409,824,744.74 : x
  2. Step 2: Convert to fraction form
    15,276,483,925.15/21,081,175,748.63 = 8,409,824,744.74/x
  3. Step 3: Cross multiply
    15,276,483,925.15x = 21,081,175,748.63 × 8,409,824,744.74
  4. Step 4: Simplify right side
    15,276,483,925.15x = 177,288,993,458,975,965,184
  5. Step 5: Solve for x
    x = 177,288,993,458,975,965,184/15,276,483,925.15
  6. Step 6: Final answer
    x = 11,605,353,321.33

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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.