Home / 20,814,242.08-31,252,054.74-11,610,196.91

Finding the Fourth Proportional to 20,814,242.08, 31,252,054.74 and 11,610,196.91

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Solution

The fourth proportional to 20,814,242.08, 31,252,054.74 and 11,610,196.91 is: 17,432,415.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,814,242.08 : 31,252,054.74 = 11,610,196.91 : x
  2. Step 2: Convert to fraction form
    20,814,242.08/31,252,054.74 = 11,610,196.91/x
  3. Step 3: Cross multiply
    20,814,242.08x = 31,252,054.74 × 11,610,196.91
  4. Step 4: Simplify right side
    20,814,242.08x = 362,842,509,466,688.31
  5. Step 5: Solve for x
    x = 362,842,509,466,688.31/20,814,242.08
  6. Step 6: Final answer
    x = 17,432,415.18

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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.