Home / 7,035,779.32-9,709,539.86-3,938,225.62

Finding the Fourth Proportional to 7,035,779.32, 9,709,539.86 and 3,938,225.62

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Solution

The fourth proportional to 7,035,779.32, 9,709,539.86 and 3,938,225.62 is: 5,434,843.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,035,779.32 : 9,709,539.86 = 3,938,225.62 : x
  2. Step 2: Convert to fraction form
    7,035,779.32/9,709,539.86 = 3,938,225.62/x
  3. Step 3: Cross multiply
    7,035,779.32x = 9,709,539.86 × 3,938,225.62
  4. Step 4: Simplify right side
    7,035,779.32x = 38,238,358,635,063.21
  5. Step 5: Solve for x
    x = 38,238,358,635,063.21/7,035,779.32
  6. Step 6: Final answer
    x = 5,434,843.38

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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.