Home / 6,688,406.60-10,032,609.90-4,812,835.40

Finding the Fourth Proportional to 6,688,406.60, 10,032,609.90 and 4,812,835.40

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Solution

The fourth proportional to 6,688,406.60, 10,032,609.90 and 4,812,835.40 is: 7,219,253.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,688,406.60 : 10,032,609.90 = 4,812,835.40 : x
  2. Step 2: Convert to fraction form
    6,688,406.60/10,032,609.90 = 4,812,835.40/x
  3. Step 3: Cross multiply
    6,688,406.60x = 10,032,609.90 × 4,812,835.40
  4. Step 4: Simplify right side
    6,688,406.60x = 48,285,300,081,110.47
  5. Step 5: Solve for x
    x = 48,285,300,081,110.47/6,688,406.60
  6. Step 6: Final answer
    x = 7,219,253.10

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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.