Home / 12,456,500.40-18,689,416.20-4,888,897.20

Finding the Fourth Proportional to 12,456,500.40, 18,689,416.20 and 4,888,897.20

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Solution

The fourth proportional to 12,456,500.40, 18,689,416.20 and 4,888,897.20 is: 7,335,176.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,456,500.40 : 18,689,416.20 = 4,888,897.20 : x
  2. Step 2: Convert to fraction form
    12,456,500.40/18,689,416.20 = 4,888,897.20/x
  3. Step 3: Cross multiply
    12,456,500.40x = 18,689,416.20 × 4,888,897.20
  4. Step 4: Simplify right side
    12,456,500.40x = 91,370,634,529,814.64
  5. Step 5: Solve for x
    x = 91,370,634,529,814.64/12,456,500.40
  6. Step 6: Final answer
    x = 7,335,176.94

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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.