Home / 28,243,873.20-42,365,809.80-13,894,966.20

Finding the Fourth Proportional to 28,243,873.20, 42,365,809.80 and 13,894,966.20

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Solution

The fourth proportional to 28,243,873.20, 42,365,809.80 and 13,894,966.20 is: 20,842,449.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,243,873.20 : 42,365,809.80 = 13,894,966.20 : x
  2. Step 2: Convert to fraction form
    28,243,873.20/42,365,809.80 = 13,894,966.20/x
  3. Step 3: Cross multiply
    28,243,873.20x = 42,365,809.80 × 13,894,966.20
  4. Step 4: Simplify right side
    28,243,873.20x = 588,671,495,206,628.62
  5. Step 5: Solve for x
    x = 588,671,495,206,628.62/28,243,873.20
  6. Step 6: Final answer
    x = 20,842,449.30

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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.