Home / 21,405,333,875.07-29,532,696,495.39-12,369,800,237.07

Finding the Fourth Proportional to 21,405,333,875.07, 29,532,696,495.39 and 12,369,800,237.07

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Solution

The fourth proportional to 21,405,333,875.07, 29,532,696,495.39 and 12,369,800,237.07 is: 17,066,473,162.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,405,333,875.07 : 29,532,696,495.39 = 12,369,800,237.07 : x
  2. Step 2: Convert to fraction form
    21,405,333,875.07/29,532,696,495.39 = 12,369,800,237.07/x
  3. Step 3: Cross multiply
    21,405,333,875.07x = 29,532,696,495.39 × 12,369,800,237.07
  4. Step 4: Simplify right side
    21,405,333,875.07x = 365,313,556,109,991,542,784
  5. Step 5: Solve for x
    x = 365,313,556,109,991,542,784/21,405,333,875.07
  6. Step 6: Final answer
    x = 17,066,473,162.35

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1.5x scale

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.