Home / 10,856,534.40-16,284,801.60-7,030,159.20

Finding the Fourth Proportional to 10,856,534.40, 16,284,801.60 and 7,030,159.20

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Solution

The fourth proportional to 10,856,534.40, 16,284,801.60 and 7,030,159.20 is: 10,545,238.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,856,534.40 : 16,284,801.60 = 7,030,159.20 : x
  2. Step 2: Convert to fraction form
    10,856,534.40/16,284,801.60 = 7,030,159.20/x
  3. Step 3: Cross multiply
    10,856,534.40x = 16,284,801.60 × 7,030,159.20
  4. Step 4: Simplify right side
    10,856,534.40x = 114,484,747,788,414.72
  5. Step 5: Solve for x
    x = 114,484,747,788,414.72/10,856,534.40
  6. Step 6: Final answer
    x = 10,545,238.80

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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.