Home / 28,243,927.20-42,365,890.80-13,895,020.20

Finding the Fourth Proportional to 28,243,927.20, 42,365,890.80 and 13,895,020.20

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Solution

The fourth proportional to 28,243,927.20, 42,365,890.80 and 13,895,020.20 is: 20,842,530.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,243,927.20 : 42,365,890.80 = 13,895,020.20 : x
  2. Step 2: Convert to fraction form
    28,243,927.20/42,365,890.80 = 13,895,020.20/x
  3. Step 3: Cross multiply
    28,243,927.20x = 42,365,890.80 × 13,895,020.20
  4. Step 4: Simplify right side
    28,243,927.20x = 588,674,908,456,994.12
  5. Step 5: Solve for x
    x = 588,674,908,456,994.12/28,243,927.20
  6. Step 6: Final answer
    x = 20,842,530.30

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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.