Home / 10,827,448.20-14,941,683-6,420,139.92

Finding the Fourth Proportional to 10,827,448.20, 14,941,683 and 6,420,139.92

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Solution

The fourth proportional to 10,827,448.20, 14,941,683 and 6,420,139.92 is: 8,859,677.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,827,448.20 : 14,941,683 = 6,420,139.92 : x
  2. Step 2: Convert to fraction form
    10,827,448.20/14,941,683 = 6,420,139.92/x
  3. Step 3: Cross multiply
    10,827,448.20x = 14,941,683 × 6,420,139.92
  4. Step 4: Simplify right side
    10,827,448.20x = 95,927,695,500,285.36
  5. Step 5: Solve for x
    x = 95,927,695,500,285.36/10,827,448.20
  6. Step 6: Final answer
    x = 8,859,677.16

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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.