Home / 20,551,802.37-28,361,477.40-12,291,864.51

Finding the Fourth Proportional to 20,551,802.37, 28,361,477.40 and 12,291,864.51

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Solution

The fourth proportional to 20,551,802.37, 28,361,477.40 and 12,291,864.51 is: 16,962,767.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,551,802.37 : 28,361,477.40 = 12,291,864.51 : x
  2. Step 2: Convert to fraction form
    20,551,802.37/28,361,477.40 = 12,291,864.51/x
  3. Step 3: Cross multiply
    20,551,802.37x = 28,361,477.40 × 12,291,864.51
  4. Step 4: Simplify right side
    20,551,802.37x = 348,615,437,504,227.06
  5. Step 5: Solve for x
    x = 348,615,437,504,227.06/20,551,802.37
  6. Step 6: Final answer
    x = 16,962,767.12

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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.