Home / 9,800,938.80-13,539,126.31-7,853,751.88

Finding the Fourth Proportional to 9,800,938.80, 13,539,126.31 and 7,853,751.88

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Solution

The fourth proportional to 9,800,938.80, 13,539,126.31 and 7,853,751.88 is: 10,849,260.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,800,938.80 : 13,539,126.31 = 7,853,751.88 : x
  2. Step 2: Convert to fraction form
    9,800,938.80/13,539,126.31 = 7,853,751.88/x
  3. Step 3: Cross multiply
    9,800,938.80x = 13,539,126.31 × 7,853,751.88
  4. Step 4: Simplify right side
    9,800,938.80x = 106,332,938,710,719.97
  5. Step 5: Solve for x
    x = 106,332,938,710,719.97/9,800,938.80
  6. Step 6: Final answer
    x = 10,849,260.55

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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.