Home / 12,426,665.68-18,631,332.62-5,506,381.22

Finding the Fourth Proportional to 12,426,665.68, 18,631,332.62 and 5,506,381.22

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Solution

The fourth proportional to 12,426,665.68, 18,631,332.62 and 5,506,381.22 is: 8,255,731.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,426,665.68 : 18,631,332.62 = 5,506,381.22 : x
  2. Step 2: Convert to fraction form
    12,426,665.68/18,631,332.62 = 5,506,381.22/x
  3. Step 3: Cross multiply
    12,426,665.68x = 18,631,332.62 × 5,506,381.22
  4. Step 4: Simplify right side
    12,426,665.68x = 102,591,219,921,652.81
  5. Step 5: Solve for x
    x = 102,591,219,921,652.81/12,426,665.68
  6. Step 6: Final answer
    x = 8,255,731.87

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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.