Home / 12,420,708,358.03-18,636,880,570.38-6,121,703,762.09

Finding the Fourth Proportional to 12,420,708,358.03, 18,636,880,570.38 and 6,121,703,762.09

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Solution

The fourth proportional to 12,420,708,358.03, 18,636,880,570.38 and 6,121,703,762.09 is: 9,185,423,134.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,420,708,358.03 : 18,636,880,570.38 = 6,121,703,762.09 : x
  2. Step 2: Convert to fraction form
    12,420,708,358.03/18,636,880,570.38 = 6,121,703,762.09/x
  3. Step 3: Cross multiply
    12,420,708,358.03x = 18,636,880,570.38 × 6,121,703,762.09
  4. Step 4: Simplify right side
    12,420,708,358.03x = 114,089,461,901,291,192,320
  5. Step 5: Solve for x
    x = 114,089,461,901,291,192,320/12,420,708,358.03
  6. Step 6: Final answer
    x = 9,185,423,134.71

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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.