Home / 6,688,005.20-10,032,007.80-6,588,472.40

Finding the Fourth Proportional to 6,688,005.20, 10,032,007.80 and 6,588,472.40

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Solution

The fourth proportional to 6,688,005.20, 10,032,007.80 and 6,588,472.40 is: 9,882,708.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,688,005.20 : 10,032,007.80 = 6,588,472.40 : x
  2. Step 2: Convert to fraction form
    6,688,005.20/10,032,007.80 = 6,588,472.40/x
  3. Step 3: Cross multiply
    6,688,005.20x = 10,032,007.80 × 6,588,472.40
  4. Step 4: Simplify right side
    6,688,005.20x = 66,095,606,506,884.73
  5. Step 5: Solve for x
    x = 66,095,606,506,884.73/6,688,005.20
  6. Step 6: Final answer
    x = 9,882,708.60

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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.