Home / 14,688,952.47-20,270,013.81-8,162,441.80

Finding the Fourth Proportional to 14,688,952.47, 20,270,013.81 and 8,162,441.80

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Solution

The fourth proportional to 14,688,952.47, 20,270,013.81 and 8,162,441.80 is: 11,263,758.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,688,952.47 : 20,270,013.81 = 8,162,441.80 : x
  2. Step 2: Convert to fraction form
    14,688,952.47/20,270,013.81 = 8,162,441.80/x
  3. Step 3: Cross multiply
    14,688,952.47x = 20,270,013.81 × 8,162,441.80
  4. Step 4: Simplify right side
    14,688,952.47x = 165,452,808,009,321.25
  5. Step 5: Solve for x
    x = 165,452,808,009,321.25/14,688,952.47
  6. Step 6: Final answer
    x = 11,263,758.14

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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.