Home / 14,596,643.28-20,143,012.68-8,070,104.64

Finding the Fourth Proportional to 14,596,643.28, 20,143,012.68 and 8,070,104.64

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Solution

The fourth proportional to 14,596,643.28, 20,143,012.68 and 8,070,104.64 is: 11,136,548.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,596,643.28 : 20,143,012.68 = 8,070,104.64 : x
  2. Step 2: Convert to fraction form
    14,596,643.28/20,143,012.68 = 8,070,104.64/x
  3. Step 3: Cross multiply
    14,596,643.28x = 20,143,012.68 × 8,070,104.64
  4. Step 4: Simplify right side
    14,596,643.28x = 162,556,220,092,446.81
  5. Step 5: Solve for x
    x = 162,556,220,092,446.81/14,596,643.28
  6. Step 6: Final answer
    x = 11,136,548.11

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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.