Home / 10,873,216.40-16,315,073.40-7,671,448.40

Finding the Fourth Proportional to 10,873,216.40, 16,315,073.40 and 7,671,448.40

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Solution

The fourth proportional to 10,873,216.40, 16,315,073.40 and 7,671,448.40 is: 11,510,875.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,873,216.40 : 16,315,073.40 = 7,671,448.40 : x
  2. Step 2: Convert to fraction form
    10,873,216.40/16,315,073.40 = 7,671,448.40/x
  3. Step 3: Cross multiply
    10,873,216.40x = 16,315,073.40 × 7,671,448.40
  4. Step 4: Simplify right side
    10,873,216.40x = 125,160,243,730,312.56
  5. Step 5: Solve for x
    x = 125,160,243,730,312.56/10,873,216.40
  6. Step 6: Final answer
    x = 11,510,875.82

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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.