Home / 20,534,130.32-30,831,474.08-11,453,968.76

Finding the Fourth Proportional to 20,534,130.32, 30,831,474.08 and 11,453,968.76

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Solution

The fourth proportional to 20,534,130.32, 30,831,474.08 and 11,453,968.76 is: 17,197,842.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,534,130.32 : 30,831,474.08 = 11,453,968.76 : x
  2. Step 2: Convert to fraction form
    20,534,130.32/30,831,474.08 = 11,453,968.76/x
  3. Step 3: Cross multiply
    20,534,130.32x = 30,831,474.08 × 11,453,968.76
  4. Step 4: Simplify right side
    20,534,130.32x = 353,142,740,811,547.31
  5. Step 5: Solve for x
    x = 353,142,740,811,547.31/20,534,130.32
  6. Step 6: Final answer
    x = 17,197,842.59

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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.