Home / 10,452,682.90-15,679,024.35-9,780,077.89

Finding the Fourth Proportional to 10,452,682.90, 15,679,024.35 and 9,780,077.89

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Solution

The fourth proportional to 10,452,682.90, 15,679,024.35 and 9,780,077.89 is: 14,670,116.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,452,682.90 : 15,679,024.35 = 9,780,077.89 : x
  2. Step 2: Convert to fraction form
    10,452,682.90/15,679,024.35 = 9,780,077.89/x
  3. Step 3: Cross multiply
    10,452,682.90x = 15,679,024.35 × 9,780,077.89
  4. Step 4: Simplify right side
    10,452,682.90x = 153,342,079,382,206.62
  5. Step 5: Solve for x
    x = 153,342,079,382,206.62/10,452,682.90
  6. Step 6: Final answer
    x = 14,670,116.84

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1.5x scale

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.