Home / 8,388,429.30-12,563,981.55-6,895,437.30

Finding the Fourth Proportional to 8,388,429.30, 12,563,981.55 and 6,895,437.30

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Solution

The fourth proportional to 8,388,429.30, 12,563,981.55 and 6,895,437.30 is: 10,327,815.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,388,429.30 : 12,563,981.55 = 6,895,437.30 : x
  2. Step 2: Convert to fraction form
    8,388,429.30/12,563,981.55 = 6,895,437.30/x
  3. Step 3: Cross multiply
    8,388,429.30x = 12,563,981.55 × 6,895,437.30
  4. Step 4: Simplify right side
    8,388,429.30x = 86,634,147,016,381.81
  5. Step 5: Solve for x
    x = 86,634,147,016,381.81/8,388,429.30
  6. Step 6: Final answer
    x = 10,327,815.13

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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.