Home / 28,309,849.34-42,464,347.26-12,736,680.04

Finding the Fourth Proportional to 28,309,849.34, 42,464,347.26 and 12,736,680.04

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Solution

The fourth proportional to 28,309,849.34, 42,464,347.26 and 12,736,680.04 is: 19,104,828.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,309,849.34 : 42,464,347.26 = 12,736,680.04 : x
  2. Step 2: Convert to fraction form
    28,309,849.34/42,464,347.26 = 12,736,680.04/x
  3. Step 3: Cross multiply
    28,309,849.34x = 42,464,347.26 × 12,736,680.04
  4. Step 4: Simplify right side
    28,309,849.34x = 540,854,804,158,070.62
  5. Step 5: Solve for x
    x = 540,854,804,158,070.62/28,309,849.34
  6. Step 6: Final answer
    x = 19,104,828.06

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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.