Home / 19,929,129.60-29,893,694.40-9,851,433.60

Finding the Fourth Proportional to 19,929,129.60, 29,893,694.40 and 9,851,433.60

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Solution

The fourth proportional to 19,929,129.60, 29,893,694.40 and 9,851,433.60 is: 14,777,150.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,929,129.60 : 29,893,694.40 = 9,851,433.60 : x
  2. Step 2: Convert to fraction form
    19,929,129.60/29,893,694.40 = 9,851,433.60/x
  3. Step 3: Cross multiply
    19,929,129.60x = 29,893,694.40 × 9,851,433.60
  4. Step 4: Simplify right side
    19,929,129.60x = 294,495,745,440,291.81
  5. Step 5: Solve for x
    x = 294,495,745,440,291.81/19,929,129.60
  6. Step 6: Final answer
    x = 14,777,150.40

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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.