Home / 10,959,619.96-15,130,356.90-6,609,813.16

Finding the Fourth Proportional to 10,959,619.96, 15,130,356.90 and 6,609,813.16

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Solution

The fourth proportional to 10,959,619.96, 15,130,356.90 and 6,609,813.16 is: 9,125,209.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,959,619.96 : 15,130,356.90 = 6,609,813.16 : x
  2. Step 2: Convert to fraction form
    10,959,619.96/15,130,356.90 = 6,609,813.16/x
  3. Step 3: Cross multiply
    10,959,619.96x = 15,130,356.90 × 6,609,813.16
  4. Step 4: Simplify right side
    10,959,619.96x = 100,008,832,153,116.81
  5. Step 5: Solve for x
    x = 100,008,832,153,116.81/10,959,619.96
  6. Step 6: Final answer
    x = 9,125,209.86

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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.