Home / 13,294,152.80-18,345,913.09-7,182,581.30

Finding the Fourth Proportional to 13,294,152.80, 18,345,913.09 and 7,182,581.30

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Solution

The fourth proportional to 13,294,152.80, 18,345,913.09 and 7,182,581.30 is: 9,911,952.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,294,152.80 : 18,345,913.09 = 7,182,581.30 : x
  2. Step 2: Convert to fraction form
    13,294,152.80/18,345,913.09 = 7,182,581.30/x
  3. Step 3: Cross multiply
    13,294,152.80x = 18,345,913.09 × 7,182,581.30
  4. Step 4: Simplify right side
    13,294,152.80x = 131,771,012,291,659.22
  5. Step 5: Solve for x
    x = 131,771,012,291,659.22/13,294,152.80
  6. Step 6: Final answer
    x = 9,911,952.59

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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.