Home / 18,618,101.60-27,927,152.40-5,154,929.60

Finding the Fourth Proportional to 18,618,101.60, 27,927,152.40 and 5,154,929.60

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Solution

The fourth proportional to 18,618,101.60, 27,927,152.40 and 5,154,929.60 is: 7,732,394.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,618,101.60 : 27,927,152.40 = 5,154,929.60 : x
  2. Step 2: Convert to fraction form
    18,618,101.60/27,927,152.40 = 5,154,929.60/x
  3. Step 3: Cross multiply
    18,618,101.60x = 27,927,152.40 × 5,154,929.60
  4. Step 4: Simplify right side
    18,618,101.60x = 143,962,504,550,471.03
  5. Step 5: Solve for x
    x = 143,962,504,550,471.03/18,618,101.60
  6. Step 6: Final answer
    x = 7,732,394.40

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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.