Home / 18,841,772.40-28,264,732.20-6,877,100.40

Finding the Fourth Proportional to 18,841,772.40, 28,264,732.20 and 6,877,100.40

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Solution

The fourth proportional to 18,841,772.40, 28,264,732.20 and 6,877,100.40 is: 10,316,407.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,841,772.40 : 28,264,732.20 = 6,877,100.40 : x
  2. Step 2: Convert to fraction form
    18,841,772.40/28,264,732.20 = 6,877,100.40/x
  3. Step 3: Cross multiply
    18,841,772.40x = 28,264,732.20 × 6,877,100.40
  4. Step 4: Simplify right side
    18,841,772.40x = 194,379,401,118,512.88
  5. Step 5: Solve for x
    x = 194,379,401,118,512.88/18,841,772.40
  6. Step 6: Final answer
    x = 10,316,407.45

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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.