Home / 19,253,615.40-28,880,423.10-7,902,210.60

Finding the Fourth Proportional to 19,253,615.40, 28,880,423.10 and 7,902,210.60

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Solution

The fourth proportional to 19,253,615.40, 28,880,423.10 and 7,902,210.60 is: 11,853,315.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,253,615.40 : 28,880,423.10 = 7,902,210.60 : x
  2. Step 2: Convert to fraction form
    19,253,615.40/28,880,423.10 = 7,902,210.60/x
  3. Step 3: Cross multiply
    19,253,615.40x = 28,880,423.10 × 7,902,210.60
  4. Step 4: Simplify right side
    19,253,615.40x = 228,219,185,553,304.88
  5. Step 5: Solve for x
    x = 228,219,185,553,304.88/19,253,615.40
  6. Step 6: Final answer
    x = 11,853,315.90

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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.