Home / 9,513,160.65-13,128,095.07-5,162,136.30

Finding the Fourth Proportional to 9,513,160.65, 13,128,095.07 and 5,162,136.30

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Solution

The fourth proportional to 9,513,160.65, 13,128,095.07 and 5,162,136.30 is: 7,123,711.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,513,160.65 : 13,128,095.07 = 5,162,136.30 : x
  2. Step 2: Convert to fraction form
    9,513,160.65/13,128,095.07 = 5,162,136.30/x
  3. Step 3: Cross multiply
    9,513,160.65x = 13,128,095.07 × 5,162,136.30
  4. Step 4: Simplify right side
    9,513,160.65x = 67,769,016,110,698.04
  5. Step 5: Solve for x
    x = 67,769,016,110,698.04/9,513,160.65
  6. Step 6: Final answer
    x = 7,123,711.94

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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.