Home / 10,038,409.62-13,851,880.88-5,686,563.92

Finding the Fourth Proportional to 10,038,409.62, 13,851,880.88 and 5,686,563.92

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Solution

The fourth proportional to 10,038,409.62, 13,851,880.88 and 5,686,563.92 is: 7,846,821.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,038,409.62 : 13,851,880.88 = 5,686,563.92 : x
  2. Step 2: Convert to fraction form
    10,038,409.62/13,851,880.88 = 5,686,563.92/x
  3. Step 3: Cross multiply
    10,038,409.62x = 13,851,880.88 × 5,686,563.92
  4. Step 4: Simplify right side
    10,038,409.62x = 78,769,606,036,345.86
  5. Step 5: Solve for x
    x = 78,769,606,036,345.86/10,038,409.62
  6. Step 6: Final answer
    x = 7,846,821.26

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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.