Home / 9,329,614.63-12,875,913.90-5,200,022.81

Finding the Fourth Proportional to 9,329,614.63, 12,875,913.90 and 5,200,022.81

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Solution

The fourth proportional to 9,329,614.63, 12,875,913.90 and 5,200,022.81 is: 7,176,614.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,329,614.63 : 12,875,913.90 = 5,200,022.81 : x
  2. Step 2: Convert to fraction form
    9,329,614.63/12,875,913.90 = 5,200,022.81/x
  3. Step 3: Cross multiply
    9,329,614.63x = 12,875,913.90 × 5,200,022.81
  4. Step 4: Simplify right side
    9,329,614.63x = 66,955,046,011,785.84
  5. Step 5: Solve for x
    x = 66,955,046,011,785.84/9,329,614.63
  6. Step 6: Final answer
    x = 7,176,614.33

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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.