Home / 40,275,153.48-60,379,934.94-18,723,347.40

Finding the Fourth Proportional to 40,275,153.48, 60,379,934.94 and 18,723,347.40

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Solution

The fourth proportional to 40,275,153.48, 60,379,934.94 and 18,723,347.40 is: 28,069,775.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,275,153.48 : 60,379,934.94 = 18,723,347.40 : x
  2. Step 2: Convert to fraction form
    40,275,153.48/60,379,934.94 = 18,723,347.40/x
  3. Step 3: Cross multiply
    40,275,153.48x = 60,379,934.94 × 18,723,347.40
  4. Step 4: Simplify right side
    40,275,153.48x = 1,130,514,497,871,018
  5. Step 5: Solve for x
    x = 1,130,514,497,871,018/40,275,153.48
  6. Step 6: Final answer
    x = 28,069,775.04

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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.