Home / 12,512,533.80-18,768,800.70-9,825,148.20

Finding the Fourth Proportional to 12,512,533.80, 18,768,800.70 and 9,825,148.20

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Solution

The fourth proportional to 12,512,533.80, 18,768,800.70 and 9,825,148.20 is: 14,737,722.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,512,533.80 : 18,768,800.70 = 9,825,148.20 : x
  2. Step 2: Convert to fraction form
    12,512,533.80/18,768,800.70 = 9,825,148.20/x
  3. Step 3: Cross multiply
    12,512,533.80x = 18,768,800.70 × 9,825,148.20
  4. Step 4: Simplify right side
    12,512,533.80x = 184,406,248,413,763.72
  5. Step 5: Solve for x
    x = 184,406,248,413,763.72/12,512,533.80
  6. Step 6: Final answer
    x = 14,737,722.30

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1.5x scale

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.