Home / 45,009,575.40-67,506,500.70-12,653,796

Finding the Fourth Proportional to 45,009,575.40, 67,506,500.70 and 12,653,796

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Solution

The fourth proportional to 45,009,575.40, 67,506,500.70 and 12,653,796 is: 18,978,483.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,009,575.40 : 67,506,500.70 = 12,653,796 : x
  2. Step 2: Convert to fraction form
    45,009,575.40/67,506,500.70 = 12,653,796/x
  3. Step 3: Cross multiply
    45,009,575.40x = 67,506,500.70 × 12,653,796
  4. Step 4: Simplify right side
    45,009,575.40x = 854,213,488,531,657.25
  5. Step 5: Solve for x
    x = 854,213,488,531,657.25/45,009,575.40
  6. Step 6: Final answer
    x = 18,978,483.60

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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.