Home / 28,653,604.70-42,980,407.05-26,972,606.30

Finding the Fourth Proportional to 28,653,604.70, 42,980,407.05 and 26,972,606.30

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Solution

The fourth proportional to 28,653,604.70, 42,980,407.05 and 26,972,606.30 is: 40,458,909.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,653,604.70 : 42,980,407.05 = 26,972,606.30 : x
  2. Step 2: Convert to fraction form
    28,653,604.70/42,980,407.05 = 26,972,606.30/x
  3. Step 3: Cross multiply
    28,653,604.70x = 42,980,407.05 × 26,972,606.30
  4. Step 4: Simplify right side
    28,653,604.70x = 1,159,293,597,973,394.25
  5. Step 5: Solve for x
    x = 1,159,293,597,973,394.25/28,653,604.70
  6. Step 6: Final answer
    x = 40,458,909.45

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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.