Home / 8,742,586.80-13,113,880.20-5,887,239.60

Finding the Fourth Proportional to 8,742,586.80, 13,113,880.20 and 5,887,239.60

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Solution

The fourth proportional to 8,742,586.80, 13,113,880.20 and 5,887,239.60 is: 8,830,859.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,742,586.80 : 13,113,880.20 = 5,887,239.60 : x
  2. Step 2: Convert to fraction form
    8,742,586.80/13,113,880.20 = 5,887,239.60/x
  3. Step 3: Cross multiply
    8,742,586.80x = 13,113,880.20 × 5,887,239.60
  4. Step 4: Simplify right side
    8,742,586.80x = 77,204,554,823,095.91
  5. Step 5: Solve for x
    x = 77,204,554,823,095.91/8,742,586.80
  6. Step 6: Final answer
    x = 8,830,859.40

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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.