Home / 14,672,631.40-20,249,511.78-8,147,530.60

Finding the Fourth Proportional to 14,672,631.40, 20,249,511.78 and 8,147,530.60

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Solution

The fourth proportional to 14,672,631.40, 20,249,511.78 and 8,147,530.60 is: 11,244,303.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,672,631.40 : 20,249,511.78 = 8,147,530.60 : x
  2. Step 2: Convert to fraction form
    14,672,631.40/20,249,511.78 = 8,147,530.60/x
  3. Step 3: Cross multiply
    14,672,631.40x = 20,249,511.78 × 8,147,530.60
  4. Step 4: Simplify right side
    14,672,631.40x = 164,983,516,862,610.47
  5. Step 5: Solve for x
    x = 164,983,516,862,610.47/14,672,631.40
  6. Step 6: Final answer
    x = 11,244,303.24

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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.