Home / 19,027,825.20-28,483,417.80-10,482,001.20

Finding the Fourth Proportional to 19,027,825.20, 28,483,417.80 and 10,482,001.20

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Solution

The fourth proportional to 19,027,825.20, 28,483,417.80 and 10,482,001.20 is: 15,690,874.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,027,825.20 : 28,483,417.80 = 10,482,001.20 : x
  2. Step 2: Convert to fraction form
    19,027,825.20/28,483,417.80 = 10,482,001.20/x
  3. Step 3: Cross multiply
    19,027,825.20x = 28,483,417.80 × 10,482,001.20
  4. Step 4: Simplify right side
    19,027,825.20x = 298,563,219,559,701.38
  5. Step 5: Solve for x
    x = 298,563,219,559,701.38/19,027,825.20
  6. Step 6: Final answer
    x = 15,690,874.62

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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.