Home / 12,298,087.20-18,447,130.80-4,319,911.20

Finding the Fourth Proportional to 12,298,087.20, 18,447,130.80 and 4,319,911.20

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Solution

The fourth proportional to 12,298,087.20, 18,447,130.80 and 4,319,911.20 is: 6,479,866.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,298,087.20 : 18,447,130.80 = 4,319,911.20 : x
  2. Step 2: Convert to fraction form
    12,298,087.20/18,447,130.80 = 4,319,911.20/x
  3. Step 3: Cross multiply
    12,298,087.20x = 18,447,130.80 × 4,319,911.20
  4. Step 4: Simplify right side
    12,298,087.20x = 79,689,966,950,784.97
  5. Step 5: Solve for x
    x = 79,689,966,950,784.97/12,298,087.20
  6. Step 6: Final answer
    x = 6,479,866.80

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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.