Home / 19,729,277.40-29,593,916.10-12,572,538.60

Finding the Fourth Proportional to 19,729,277.40, 29,593,916.10 and 12,572,538.60

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Solution

The fourth proportional to 19,729,277.40, 29,593,916.10 and 12,572,538.60 is: 18,858,807.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,729,277.40 : 29,593,916.10 = 12,572,538.60 : x
  2. Step 2: Convert to fraction form
    19,729,277.40/29,593,916.10 = 12,572,538.60/x
  3. Step 3: Cross multiply
    19,729,277.40x = 29,593,916.10 × 12,572,538.60
  4. Step 4: Simplify right side
    19,729,277.40x = 372,070,652,492,411.44
  5. Step 5: Solve for x
    x = 372,070,652,492,411.44/19,729,277.40
  6. Step 6: Final answer
    x = 18,858,807.90

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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.