Home / 40,210,488.20-55,490,715.06-21,875,904.92

Finding the Fourth Proportional to 40,210,488.20, 55,490,715.06 and 21,875,904.92

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Solution

The fourth proportional to 40,210,488.20, 55,490,715.06 and 21,875,904.92 is: 30,188,880.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,210,488.20 : 55,490,715.06 = 21,875,904.92 : x
  2. Step 2: Convert to fraction form
    40,210,488.20/55,490,715.06 = 21,875,904.92/x
  3. Step 3: Cross multiply
    40,210,488.20x = 55,490,715.06 × 21,875,904.92
  4. Step 4: Simplify right side
    40,210,488.20x = 1,213,909,606,595,372.25
  5. Step 5: Solve for x
    x = 1,213,909,606,595,372.25/40,210,488.20
  6. Step 6: Final answer
    x = 30,188,880.09

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