Home / 10,875,297.72-16,312,945.67-5,178,250.20

Finding the Fourth Proportional to 10,875,297.72, 16,312,945.67 and 5,178,250.20

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Solution

The fourth proportional to 10,875,297.72, 16,312,945.67 and 5,178,250.20 is: 7,767,374.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,875,297.72 : 16,312,945.67 = 5,178,250.20 : x
  2. Step 2: Convert to fraction form
    10,875,297.72/16,312,945.67 = 5,178,250.20/x
  3. Step 3: Cross multiply
    10,875,297.72x = 16,312,945.67 × 5,178,250.20
  4. Step 4: Simplify right side
    10,875,297.72x = 84,472,514,178,266.64
  5. Step 5: Solve for x
    x = 84,472,514,178,266.64/10,875,297.72
  6. Step 6: Final answer
    x = 7,767,374.87

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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.