Home / 12,621,312,004.80-18,931,968,007.20-11,944,090,833.60

Finding the Fourth Proportional to 12,621,312,004.80, 18,931,968,007.20 and 11,944,090,833.60

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Solution

The fourth proportional to 12,621,312,004.80, 18,931,968,007.20 and 11,944,090,833.60 is: 17,916,136,250.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,621,312,004.80 : 18,931,968,007.20 = 11,944,090,833.60 : x
  2. Step 2: Convert to fraction form
    12,621,312,004.80/18,931,968,007.20 = 11,944,090,833.60/x
  3. Step 3: Cross multiply
    12,621,312,004.80x = 18,931,968,007.20 × 11,944,090,833.60
  4. Step 4: Simplify right side
    12,621,312,004.80x = 226,125,145,536,805,994,496
  5. Step 5: Solve for x
    x = 226,125,145,536,805,994,496/12,621,312,004.80
  6. Step 6: Final answer
    x = 17,916,136,250.40

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.