Home / 8,320,538.40-12,482,017.20-3,528,218.40

Finding the Fourth Proportional to 8,320,538.40, 12,482,017.20 and 3,528,218.40

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Solution

The fourth proportional to 8,320,538.40, 12,482,017.20 and 3,528,218.40 is: 5,292,840.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,320,538.40 : 12,482,017.20 = 3,528,218.40 : x
  2. Step 2: Convert to fraction form
    8,320,538.40/12,482,017.20 = 3,528,218.40/x
  3. Step 3: Cross multiply
    8,320,538.40x = 12,482,017.20 × 3,528,218.40
  4. Step 4: Simplify right side
    8,320,538.40x = 44,039,282,754,156.48
  5. Step 5: Solve for x
    x = 44,039,282,754,156.48/8,320,538.40
  6. Step 6: Final answer
    x = 5,292,840.52

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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.