Home / 19,267,354.89-28,901,128.92-4,890,426.96

Finding the Fourth Proportional to 19,267,354.89, 28,901,128.92 and 4,890,426.96

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Solution

The fourth proportional to 19,267,354.89, 28,901,128.92 and 4,890,426.96 is: 7,335,664.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,267,354.89 : 28,901,128.92 = 4,890,426.96 : x
  2. Step 2: Convert to fraction form
    19,267,354.89/28,901,128.92 = 4,890,426.96/x
  3. Step 3: Cross multiply
    19,267,354.89x = 28,901,128.92 × 4,890,426.96
  4. Step 4: Simplify right side
    19,267,354.89x = 141,338,860,044,803.69
  5. Step 5: Solve for x
    x = 141,338,860,044,803.69/19,267,354.89
  6. Step 6: Final answer
    x = 7,335,664.96

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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.