Home / 43,283,071.84-64,934,561.04-12,991,508.32

Finding the Fourth Proportional to 43,283,071.84, 64,934,561.04 and 12,991,508.32

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Solution

The fourth proportional to 43,283,071.84, 64,934,561.04 and 12,991,508.32 is: 19,490,249.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,283,071.84 : 64,934,561.04 = 12,991,508.32 : x
  2. Step 2: Convert to fraction form
    43,283,071.84/64,934,561.04 = 12,991,508.32/x
  3. Step 3: Cross multiply
    43,283,071.84x = 64,934,561.04 × 12,991,508.32
  4. Step 4: Simplify right side
    43,283,071.84x = 843,597,890,006,707.88
  5. Step 5: Solve for x
    x = 843,597,890,006,707.88/43,283,071.84
  6. Step 6: Final answer
    x = 19,490,249.98

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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.