Home / 20,677,002.54-28,533,790.47-12,946,307.46

Finding the Fourth Proportional to 20,677,002.54, 28,533,790.47 and 12,946,307.46

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Solution

The fourth proportional to 20,677,002.54, 28,533,790.47 and 12,946,307.46 is: 17,865,608.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,677,002.54 : 28,533,790.47 = 12,946,307.46 : x
  2. Step 2: Convert to fraction form
    20,677,002.54/28,533,790.47 = 12,946,307.46/x
  3. Step 3: Cross multiply
    20,677,002.54x = 28,533,790.47 × 12,946,307.46
  4. Step 4: Simplify right side
    20,677,002.54x = 369,407,224,423,837.94
  5. Step 5: Solve for x
    x = 369,407,224,423,837.94/20,677,002.54
  6. Step 6: Final answer
    x = 17,865,608.12

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.