Home / 7,338,947.70-11,008,421.55-6,866,555.70

Finding the Fourth Proportional to 7,338,947.70, 11,008,421.55 and 6,866,555.70

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Solution

The fourth proportional to 7,338,947.70, 11,008,421.55 and 6,866,555.70 is: 10,299,833.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,338,947.70 : 11,008,421.55 = 6,866,555.70 : x
  2. Step 2: Convert to fraction form
    7,338,947.70/11,008,421.55 = 6,866,555.70/x
  3. Step 3: Cross multiply
    7,338,947.70x = 11,008,421.55 × 6,866,555.70
  4. Step 4: Simplify right side
    7,338,947.70x = 75,589,939,742,155.34
  5. Step 5: Solve for x
    x = 75,589,939,742,155.34/7,338,947.70
  6. Step 6: Final answer
    x = 10,299,833.55

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1.5x scale

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.