Home / 7,152,047.40-10,728,071.10-5,734,871.40

Finding the Fourth Proportional to 7,152,047.40, 10,728,071.10 and 5,734,871.40

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Solution

The fourth proportional to 7,152,047.40, 10,728,071.10 and 5,734,871.40 is: 8,602,307.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,152,047.40 : 10,728,071.10 = 5,734,871.40 : x
  2. Step 2: Convert to fraction form
    7,152,047.40/10,728,071.10 = 5,734,871.40/x
  3. Step 3: Cross multiply
    7,152,047.40x = 10,728,071.10 × 5,734,871.40
  4. Step 4: Simplify right side
    7,152,047.40x = 61,524,108,128,556.54
  5. Step 5: Solve for x
    x = 61,524,108,128,556.54/7,152,047.40
  6. Step 6: Final answer
    x = 8,602,307.10

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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.