Home / 45,333,461.70-67,980,130.47-12,977,992.26

Finding the Fourth Proportional to 45,333,461.70, 67,980,130.47 and 12,977,992.26

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Solution

The fourth proportional to 45,333,461.70, 67,980,130.47 and 12,977,992.26 is: 19,461,245.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,333,461.70 : 67,980,130.47 = 12,977,992.26 : x
  2. Step 2: Convert to fraction form
    45,333,461.70/67,980,130.47 = 12,977,992.26/x
  3. Step 3: Cross multiply
    45,333,461.70x = 67,980,130.47 × 12,977,992.26
  4. Step 4: Simplify right side
    45,333,461.70x = 882,245,607,073,450.12
  5. Step 5: Solve for x
    x = 882,245,607,073,450.12/45,333,461.70
  6. Step 6: Final answer
    x = 19,461,245.05

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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.