Home / 14,439,782.21-19,927,119.89-7,913,358.68

Finding the Fourth Proportional to 14,439,782.21, 19,927,119.89 and 7,913,358.68

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Solution

The fourth proportional to 14,439,782.21, 19,927,119.89 and 7,913,358.68 is: 10,920,555.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,439,782.21 : 19,927,119.89 = 7,913,358.68 : x
  2. Step 2: Convert to fraction form
    14,439,782.21/19,927,119.89 = 7,913,358.68/x
  3. Step 3: Cross multiply
    14,439,782.21x = 19,927,119.89 × 7,913,358.68
  4. Step 4: Simplify right side
    14,439,782.21x = 157,690,447,069,079.94
  5. Step 5: Solve for x
    x = 157,690,447,069,079.94/14,439,782.21
  6. Step 6: Final answer
    x = 10,920,555.78

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.