Home / 19,980,318.40-27,572,873.28-10,812,968.32

Finding the Fourth Proportional to 19,980,318.40, 27,572,873.28 and 10,812,968.32

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Solution

The fourth proportional to 19,980,318.40, 27,572,873.28 and 10,812,968.32 is: 14,921,914.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,980,318.40 : 27,572,873.28 = 10,812,968.32 : x
  2. Step 2: Convert to fraction form
    19,980,318.40/27,572,873.28 = 10,812,968.32/x
  3. Step 3: Cross multiply
    19,980,318.40x = 27,572,873.28 × 10,812,968.32
  4. Step 4: Simplify right side
    19,980,318.40x = 298,144,605,268,014.50
  5. Step 5: Solve for x
    x = 298,144,605,268,014.50/19,980,318.40
  6. Step 6: Final answer
    x = 14,921,914.62

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.