Home / 20,460,012.40-30,706,607.40-19,796,460.40

Finding the Fourth Proportional to 20,460,012.40, 30,706,607.40 and 19,796,460.40

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Solution

The fourth proportional to 20,460,012.40, 30,706,607.40 and 19,796,460.40 is: 29,710,741.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,460,012.40 : 30,706,607.40 = 19,796,460.40 : x
  2. Step 2: Convert to fraction form
    20,460,012.40/30,706,607.40 = 19,796,460.40/x
  3. Step 3: Cross multiply
    20,460,012.40x = 30,706,607.40 × 19,796,460.40
  4. Step 4: Simplify right side
    20,460,012.40x = 607,882,137,412,446.88
  5. Step 5: Solve for x
    x = 607,882,137,412,446.88/20,460,012.40
  6. Step 6: Final answer
    x = 29,710,741.40

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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.