Home / 18,891,869.76-26,074,288.80-10,742,621.76

Finding the Fourth Proportional to 18,891,869.76, 26,074,288.80 and 10,742,621.76

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Solution

The fourth proportional to 18,891,869.76, 26,074,288.80 and 10,742,621.76 is: 14,826,813.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,891,869.76 : 26,074,288.80 = 10,742,621.76 : x
  2. Step 2: Convert to fraction form
    18,891,869.76/26,074,288.80 = 10,742,621.76/x
  3. Step 3: Cross multiply
    18,891,869.76x = 26,074,288.80 × 10,742,621.76
  4. Step 4: Simplify right side
    18,891,869.76x = 280,106,222,239,404.28
  5. Step 5: Solve for x
    x = 280,106,222,239,404.28/18,891,869.76
  6. Step 6: Final answer
    x = 14,826,813.11

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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.