Home / 30,146,426.05-45,219,912.45-8,581,019.26

Finding the Fourth Proportional to 30,146,426.05, 45,219,912.45 and 8,581,019.26

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Solution

The fourth proportional to 30,146,426.05, 45,219,912.45 and 8,581,019.26 is: 12,871,606.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,146,426.05 : 45,219,912.45 = 8,581,019.26 : x
  2. Step 2: Convert to fraction form
    30,146,426.05/45,219,912.45 = 8,581,019.26/x
  3. Step 3: Cross multiply
    30,146,426.05x = 45,219,912.45 × 8,581,019.26
  4. Step 4: Simplify right side
    30,146,426.05x = 388,032,939,668,963.81
  5. Step 5: Solve for x
    x = 388,032,939,668,963.81/30,146,426.05
  6. Step 6: Final answer
    x = 12,871,606.70

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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.