Home / 19,461,156.40-29,191,734.60-12,294,794.80

Finding the Fourth Proportional to 19,461,156.40, 29,191,734.60 and 12,294,794.80

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Solution

The fourth proportional to 19,461,156.40, 29,191,734.60 and 12,294,794.80 is: 18,442,192.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,461,156.40 : 29,191,734.60 = 12,294,794.80 : x
  2. Step 2: Convert to fraction form
    19,461,156.40/29,191,734.60 = 12,294,794.80/x
  3. Step 3: Cross multiply
    19,461,156.40x = 29,191,734.60 × 12,294,794.80
  4. Step 4: Simplify right side
    19,461,156.40x = 358,906,386,763,060.12
  5. Step 5: Solve for x
    x = 358,906,386,763,060.12/19,461,156.40
  6. Step 6: Final answer
    x = 18,442,192.20

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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.