Home / 9,175,123.65-12,661,878.79-5,045,384.22

Finding the Fourth Proportional to 9,175,123.65, 12,661,878.79 and 5,045,384.22

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Solution

The fourth proportional to 9,175,123.65, 12,661,878.79 and 5,045,384.22 is: 6,962,744.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,175,123.65 : 12,661,878.79 = 5,045,384.22 : x
  2. Step 2: Convert to fraction form
    9,175,123.65/12,661,878.79 = 5,045,384.22/x
  3. Step 3: Cross multiply
    9,175,123.65x = 12,661,878.79 × 5,045,384.22
  4. Step 4: Simplify right side
    9,175,123.65x = 63,884,043,354,082.38
  5. Step 5: Solve for x
    x = 63,884,043,354,082.38/9,175,123.65
  6. Step 6: Final answer
    x = 6,962,744.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.