Home / 9,515,783.04-13,131,428.80-5,164,776.21

Finding the Fourth Proportional to 9,515,783.04, 13,131,428.80 and 5,164,776.21

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Solution

The fourth proportional to 9,515,783.04, 13,131,428.80 and 5,164,776.21 is: 7,127,200.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,515,783.04 : 13,131,428.80 = 5,164,776.21 : x
  2. Step 2: Convert to fraction form
    9,515,783.04/13,131,428.80 = 5,164,776.21/x
  3. Step 3: Cross multiply
    9,515,783.04x = 13,131,428.80 × 5,164,776.21
  4. Step 4: Simplify right side
    9,515,783.04x = 67,820,891,069,548.85
  5. Step 5: Solve for x
    x = 67,820,891,069,548.85/9,515,783.04
  6. Step 6: Final answer
    x = 7,127,200.23

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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.