Home / 12,286,510.80-18,406,265.40-6,604,846.80

Finding the Fourth Proportional to 12,286,510.80, 18,406,265.40 and 6,604,846.80

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Solution

The fourth proportional to 12,286,510.80, 18,406,265.40 and 6,604,846.80 is: 9,894,636.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,286,510.80 : 18,406,265.40 = 6,604,846.80 : x
  2. Step 2: Convert to fraction form
    12,286,510.80/18,406,265.40 = 6,604,846.80/x
  3. Step 3: Cross multiply
    12,286,510.80x = 18,406,265.40 × 6,604,846.80
  4. Step 4: Simplify right side
    12,286,510.80x = 121,570,563,127,140.70
  5. Step 5: Solve for x
    x = 121,570,563,127,140.70/12,286,510.80
  6. Step 6: Final answer
    x = 9,894,636.90

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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.