Home / 7,429,973.76-11,144,960.64-5,943,513.60

Finding the Fourth Proportional to 7,429,973.76, 11,144,960.64 and 5,943,513.60

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Solution

The fourth proportional to 7,429,973.76, 11,144,960.64 and 5,943,513.60 is: 8,915,270.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,429,973.76 : 11,144,960.64 = 5,943,513.60 : x
  2. Step 2: Convert to fraction form
    7,429,973.76/11,144,960.64 = 5,943,513.60/x
  3. Step 3: Cross multiply
    7,429,973.76x = 11,144,960.64 × 5,943,513.60
  4. Step 4: Simplify right side
    7,429,973.76x = 66,240,225,135,304.70
  5. Step 5: Solve for x
    x = 66,240,225,135,304.70/7,429,973.76
  6. Step 6: Final answer
    x = 8,915,270.40

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.