Home / 39,991,985.40-59,990,216.52-11,235,876.50

Finding the Fourth Proportional to 39,991,985.40, 59,990,216.52 and 11,235,876.50

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Solution

The fourth proportional to 39,991,985.40, 59,990,216.52 and 11,235,876.50 is: 16,854,443.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,991,985.40 : 59,990,216.52 = 11,235,876.50 : x
  2. Step 2: Convert to fraction form
    39,991,985.40/59,990,216.52 = 11,235,876.50/x
  3. Step 3: Cross multiply
    39,991,985.40x = 59,990,216.52 × 11,235,876.50
  4. Step 4: Simplify right side
    39,991,985.40x = 674,042,664,026,979.88
  5. Step 5: Solve for x
    x = 674,042,664,026,979.88/39,991,985.40
  6. Step 6: Final answer
    x = 16,854,443.64

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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.