Home / 19,955,292.60-29,932,938.90-12,357,622.20

Finding the Fourth Proportional to 19,955,292.60, 29,932,938.90 and 12,357,622.20

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Solution

The fourth proportional to 19,955,292.60, 29,932,938.90 and 12,357,622.20 is: 18,536,433.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,955,292.60 : 29,932,938.90 = 12,357,622.20 : x
  2. Step 2: Convert to fraction form
    19,955,292.60/29,932,938.90 = 12,357,622.20/x
  3. Step 3: Cross multiply
    19,955,292.60x = 29,932,938.90 × 12,357,622.20
  4. Step 4: Simplify right side
    19,955,292.60x = 369,899,950,261,883.56
  5. Step 5: Solve for x
    x = 369,899,950,261,883.56/19,955,292.60
  6. Step 6: Final answer
    x = 18,536,433.30

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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.