Home / 21,210,263,960.15-29,271,470,751.45-11,694,786,283.10

Finding the Fourth Proportional to 21,210,263,960.15, 29,271,470,751.45 and 11,694,786,283.10

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Solution

The fourth proportional to 21,210,263,960.15, 29,271,470,751.45 and 11,694,786,283.10 is: 16,139,525,433.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,210,263,960.15 : 29,271,470,751.45 = 11,694,786,283.10 : x
  2. Step 2: Convert to fraction form
    21,210,263,960.15/29,271,470,751.45 = 11,694,786,283.10/x
  3. Step 3: Cross multiply
    21,210,263,960.15x = 29,271,470,751.45 × 11,694,786,283.10
  4. Step 4: Simplify right side
    21,210,263,960.15x = 342,323,594,630,220,349,440
  5. Step 5: Solve for x
    x = 342,323,594,630,220,349,440/21,210,263,960.15
  6. Step 6: Final answer
    x = 16,139,525,433.22

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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.