Home / 28,043,631.80-42,061,237.46-8,871,897.68

Finding the Fourth Proportional to 28,043,631.80, 42,061,237.46 and 8,871,897.68

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Solution

The fourth proportional to 28,043,631.80, 42,061,237.46 and 8,871,897.68 is: 13,306,514.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,043,631.80 : 42,061,237.46 = 8,871,897.68 : x
  2. Step 2: Convert to fraction form
    28,043,631.80/42,061,237.46 = 8,871,897.68/x
  3. Step 3: Cross multiply
    28,043,631.80x = 42,061,237.46 × 8,871,897.68
  4. Step 4: Simplify right side
    28,043,631.80x = 373,162,995,039,303.06
  5. Step 5: Solve for x
    x = 373,162,995,039,303.06/28,043,631.80
  6. Step 6: Final answer
    x = 13,306,514.57

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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.