Home / 9,680,425.10-13,358,479.50-5,328,661.40

Finding the Fourth Proportional to 9,680,425.10, 13,358,479.50 and 5,328,661.40

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Solution

The fourth proportional to 9,680,425.10, 13,358,479.50 and 5,328,661.40 is: 7,353,273.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,680,425.10 : 13,358,479.50 = 5,328,661.40 : x
  2. Step 2: Convert to fraction form
    9,680,425.10/13,358,479.50 = 5,328,661.40/x
  3. Step 3: Cross multiply
    9,680,425.10x = 13,358,479.50 × 5,328,661.40
  4. Step 4: Simplify right side
    9,680,425.10x = 71,182,814,074,341.31
  5. Step 5: Solve for x
    x = 71,182,814,074,341.31/9,680,425.10
  6. Step 6: Final answer
    x = 7,353,273.57

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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.