Home / 13,406,688.50-18,501,074.61-7,295,011.70

Finding the Fourth Proportional to 13,406,688.50, 18,501,074.61 and 7,295,011.70

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Solution

The fourth proportional to 13,406,688.50, 18,501,074.61 and 7,295,011.70 is: 10,067,031.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,406,688.50 : 18,501,074.61 = 7,295,011.70 : x
  2. Step 2: Convert to fraction form
    13,406,688.50/18,501,074.61 = 7,295,011.70/x
  3. Step 3: Cross multiply
    13,406,688.50x = 18,501,074.61 × 7,295,011.70
  4. Step 4: Simplify right side
    13,406,688.50x = 134,965,555,742,522.94
  5. Step 5: Solve for x
    x = 134,965,555,742,522.94/13,406,688.50
  6. Step 6: Final answer
    x = 10,067,031.52

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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.