Home / 47,286,834.80-70,875,139.80-21,730,427.60

Finding the Fourth Proportional to 47,286,834.80, 70,875,139.80 and 21,730,427.60

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Solution

The fourth proportional to 47,286,834.80, 70,875,139.80 and 21,730,427.60 is: 32,570,314.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,286,834.80 : 70,875,139.80 = 21,730,427.60 : x
  2. Step 2: Convert to fraction form
    47,286,834.80/70,875,139.80 = 21,730,427.60/x
  3. Step 3: Cross multiply
    47,286,834.80x = 70,875,139.80 × 21,730,427.60
  4. Step 4: Simplify right side
    47,286,834.80x = 1,540,147,094,063,778.50
  5. Step 5: Solve for x
    x = 1,540,147,094,063,778.50/47,286,834.80
  6. Step 6: Final answer
    x = 32,570,314.77

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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.