Home / 10,729,429.60-16,083,646.80-4,331,142.40

Finding the Fourth Proportional to 10,729,429.60, 16,083,646.80 and 4,331,142.40

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Solution

The fourth proportional to 10,729,429.60, 16,083,646.80 and 4,331,142.40 is: 6,492,476.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,729,429.60 : 16,083,646.80 = 4,331,142.40 : x
  2. Step 2: Convert to fraction form
    10,729,429.60/16,083,646.80 = 4,331,142.40/x
  3. Step 3: Cross multiply
    10,729,429.60x = 16,083,646.80 × 4,331,142.40
  4. Step 4: Simplify right side
    10,729,429.60x = 69,660,564,602,104.33
  5. Step 5: Solve for x
    x = 69,660,564,602,104.33/10,729,429.60
  6. Step 6: Final answer
    x = 6,492,476.04

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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.