Home / 14,515,966.39-20,032,032.42-7,900,602.22

Finding the Fourth Proportional to 14,515,966.39, 20,032,032.42 and 7,900,602.22

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Solution

The fourth proportional to 14,515,966.39, 20,032,032.42 and 7,900,602.22 is: 10,902,830.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,515,966.39 : 20,032,032.42 = 7,900,602.22 : x
  2. Step 2: Convert to fraction form
    14,515,966.39/20,032,032.42 = 7,900,602.22/x
  3. Step 3: Cross multiply
    14,515,966.39x = 20,032,032.42 × 7,900,602.22
  4. Step 4: Simplify right side
    14,515,966.39x = 158,265,119,808,563.97
  5. Step 5: Solve for x
    x = 158,265,119,808,563.97/14,515,966.39
  6. Step 6: Final answer
    x = 10,902,830.41

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1.5x scale

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.