Home / 7,175,056.80-10,762,585.20-6,864,065.40

Finding the Fourth Proportional to 7,175,056.80, 10,762,585.20 and 6,864,065.40

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Solution

The fourth proportional to 7,175,056.80, 10,762,585.20 and 6,864,065.40 is: 10,296,098.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,175,056.80 : 10,762,585.20 = 6,864,065.40 : x
  2. Step 2: Convert to fraction form
    7,175,056.80/10,762,585.20 = 6,864,065.40/x
  3. Step 3: Cross multiply
    7,175,056.80x = 10,762,585.20 × 6,864,065.40
  4. Step 4: Simplify right side
    7,175,056.80x = 73,875,088,685,872.08
  5. Step 5: Solve for x
    x = 73,875,088,685,872.08/7,175,056.80
  6. Step 6: Final answer
    x = 10,296,098.10

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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.