Home / 21,518,184,953.16-29,695,831,033.14-12,485,261,018.52

Finding the Fourth Proportional to 21,518,184,953.16, 29,695,831,033.14 and 12,485,261,018.52

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Solution

The fourth proportional to 21,518,184,953.16, 29,695,831,033.14 and 12,485,261,018.52 is: 17,230,087,129.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,518,184,953.16 : 29,695,831,033.14 = 12,485,261,018.52 : x
  2. Step 2: Convert to fraction form
    21,518,184,953.16/29,695,831,033.14 = 12,485,261,018.52/x
  3. Step 3: Cross multiply
    21,518,184,953.16x = 29,695,831,033.14 × 12,485,261,018.52
  4. Step 4: Simplify right side
    21,518,184,953.16x = 370,760,201,610,619,322,368
  5. Step 5: Solve for x
    x = 370,760,201,610,619,322,368/21,518,184,953.16
  6. Step 6: Final answer
    x = 17,230,087,129.45

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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.