Home / 20,120,746.32-27,766,550.95-11,298,973.34

Finding the Fourth Proportional to 20,120,746.32, 27,766,550.95 and 11,298,973.34

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Solution

The fourth proportional to 20,120,746.32, 27,766,550.95 and 11,298,973.34 is: 15,592,538.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,120,746.32 : 27,766,550.95 = 11,298,973.34 : x
  2. Step 2: Convert to fraction form
    20,120,746.32/27,766,550.95 = 11,298,973.34/x
  3. Step 3: Cross multiply
    20,120,746.32x = 27,766,550.95 × 11,298,973.34
  4. Step 4: Simplify right side
    20,120,746.32x = 313,733,518,968,970.62
  5. Step 5: Solve for x
    x = 313,733,518,968,970.62/20,120,746.32
  6. Step 6: Final answer
    x = 15,592,538.86

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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.