Home / 28,298,809.90-42,423,331.65-16,943,776.30

Finding the Fourth Proportional to 28,298,809.90, 42,423,331.65 and 16,943,776.30

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Solution

The fourth proportional to 28,298,809.90, 42,423,331.65 and 16,943,776.30 is: 25,400,765.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,298,809.90 : 42,423,331.65 = 16,943,776.30 : x
  2. Step 2: Convert to fraction form
    28,298,809.90/42,423,331.65 = 16,943,776.30/x
  3. Step 3: Cross multiply
    28,298,809.90x = 42,423,331.65 × 16,943,776.30
  4. Step 4: Simplify right side
    28,298,809.90x = 718,811,441,378,309.88
  5. Step 5: Solve for x
    x = 718,811,441,378,309.88/28,298,809.90
  6. Step 6: Final answer
    x = 25,400,765.75

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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.