Home / 28,016,315.70-42,030,378.45-8,849,010.30

Finding the Fourth Proportional to 28,016,315.70, 42,030,378.45 and 8,849,010.30

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Solution

The fourth proportional to 28,016,315.70, 42,030,378.45 and 8,849,010.30 is: 13,275,380.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,016,315.70 : 42,030,378.45 = 8,849,010.30 : x
  2. Step 2: Convert to fraction form
    28,016,315.70/42,030,378.45 = 8,849,010.30/x
  3. Step 3: Cross multiply
    28,016,315.70x = 42,030,378.45 × 8,849,010.30
  4. Step 4: Simplify right side
    28,016,315.70x = 371,927,251,816,948.06
  5. Step 5: Solve for x
    x = 371,927,251,816,948.06/28,016,315.70
  6. Step 6: Final answer
    x = 13,275,380.52

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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.