Home / 13,029,523.04-17,980,762.56-7,228,304.72

Finding the Fourth Proportional to 13,029,523.04, 17,980,762.56 and 7,228,304.72

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Solution

The fourth proportional to 13,029,523.04, 17,980,762.56 and 7,228,304.72 is: 9,975,072.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,029,523.04 : 17,980,762.56 = 7,228,304.72 : x
  2. Step 2: Convert to fraction form
    13,029,523.04/17,980,762.56 = 7,228,304.72/x
  3. Step 3: Cross multiply
    13,029,523.04x = 17,980,762.56 × 7,228,304.72
  4. Step 4: Simplify right side
    13,029,523.04x = 129,970,430,881,647.27
  5. Step 5: Solve for x
    x = 129,970,430,881,647.27/13,029,523.04
  6. Step 6: Final answer
    x = 9,975,072.03

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1.5x scale

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.