Home / 20,412,946.40-30,577,429.20-14,030,405.60

Finding the Fourth Proportional to 20,412,946.40, 30,577,429.20 and 14,030,405.60

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Solution

The fourth proportional to 20,412,946.40, 30,577,429.20 and 14,030,405.60 is: 21,016,747.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,412,946.40 : 30,577,429.20 = 14,030,405.60 : x
  2. Step 2: Convert to fraction form
    20,412,946.40/30,577,429.20 = 14,030,405.60/x
  3. Step 3: Cross multiply
    20,412,946.40x = 30,577,429.20 × 14,030,405.60
  4. Step 4: Simplify right side
    20,412,946.40x = 429,013,733,881,283.50
  5. Step 5: Solve for x
    x = 429,013,733,881,283.50/20,412,946.40
  6. Step 6: Final answer
    x = 21,016,747.19

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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.