Home / 21,918,813,981.90-30,247,963,296.87-11,894,308,829.02

Finding the Fourth Proportional to 21,918,813,981.90, 30,247,963,296.87 and 11,894,308,829.02

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Solution

The fourth proportional to 21,918,813,981.90, 30,247,963,296.87 and 11,894,308,829.02 is: 16,414,146,185.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,918,813,981.90 : 30,247,963,296.87 = 11,894,308,829.02 : x
  2. Step 2: Convert to fraction form
    21,918,813,981.90/30,247,963,296.87 = 11,894,308,829.02/x
  3. Step 3: Cross multiply
    21,918,813,981.90x = 30,247,963,296.87 × 11,894,308,829.02
  4. Step 4: Simplify right side
    21,918,813,981.90x = 359,778,616,901,833,719,808
  5. Step 5: Solve for x
    x = 359,778,616,901,833,719,808/21,918,813,981.90
  6. Step 6: Final answer
    x = 16,414,146,185.05

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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.