Home / 14,015,288.90-21,000,297.90-7,931,929.70

Finding the Fourth Proportional to 14,015,288.90, 21,000,297.90 and 7,931,929.70

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Solution

The fourth proportional to 14,015,288.90, 21,000,297.90 and 7,931,929.70 is: 11,885,084.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,015,288.90 : 21,000,297.90 = 7,931,929.70 : x
  2. Step 2: Convert to fraction form
    14,015,288.90/21,000,297.90 = 7,931,929.70/x
  3. Step 3: Cross multiply
    14,015,288.90x = 21,000,297.90 × 7,931,929.70
  4. Step 4: Simplify right side
    14,015,288.90x = 166,572,886,621,857.62
  5. Step 5: Solve for x
    x = 166,572,886,621,857.62/14,015,288.90
  6. Step 6: Final answer
    x = 11,885,084.05

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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.