Home / 12,530,281.74-18,795,438.69-3,432,459.30

Finding the Fourth Proportional to 12,530,281.74, 18,795,438.69 and 3,432,459.30

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Solution

The fourth proportional to 12,530,281.74, 18,795,438.69 and 3,432,459.30 is: 5,148,693.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,530,281.74 : 18,795,438.69 = 3,432,459.30 : x
  2. Step 2: Convert to fraction form
    12,530,281.74/18,795,438.69 = 3,432,459.30/x
  3. Step 3: Cross multiply
    12,530,281.74x = 18,795,438.69 × 3,432,459.30
  4. Step 4: Simplify right side
    12,530,281.74x = 64,514,578,329,070.32
  5. Step 5: Solve for x
    x = 64,514,578,329,070.32/12,530,281.74
  6. Step 6: Final answer
    x = 5,148,693.35

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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.