Home / 15,539,410.80-23,309,116.20-9,559,148.40

Finding the Fourth Proportional to 15,539,410.80, 23,309,116.20 and 9,559,148.40

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Solution

The fourth proportional to 15,539,410.80, 23,309,116.20 and 9,559,148.40 is: 14,338,722.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,539,410.80 : 23,309,116.20 = 9,559,148.40 : x
  2. Step 2: Convert to fraction form
    15,539,410.80/23,309,116.20 = 9,559,148.40/x
  3. Step 3: Cross multiply
    15,539,410.80x = 23,309,116.20 × 9,559,148.40
  4. Step 4: Simplify right side
    15,539,410.80x = 222,815,300,828,644.09
  5. Step 5: Solve for x
    x = 222,815,300,828,644.09/15,539,410.80
  6. Step 6: Final answer
    x = 14,338,722.60

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Double scale
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Similar ratio
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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.