Home / 21,460,021.20-32,190,031.80-7,085,307.60

Finding the Fourth Proportional to 21,460,021.20, 32,190,031.80 and 7,085,307.60

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Solution

The fourth proportional to 21,460,021.20, 32,190,031.80 and 7,085,307.60 is: 10,627,961.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,460,021.20 : 32,190,031.80 = 7,085,307.60 : x
  2. Step 2: Convert to fraction form
    21,460,021.20/32,190,031.80 = 7,085,307.60/x
  3. Step 3: Cross multiply
    21,460,021.20x = 32,190,031.80 × 7,085,307.60
  4. Step 4: Simplify right side
    21,460,021.20x = 228,076,276,956,781.69
  5. Step 5: Solve for x
    x = 228,076,276,956,781.69/21,460,021.20
  6. Step 6: Final answer
    x = 10,627,961.40

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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.