Home / 19,579,780.40-29,344,787.40-9,460,612.40

Finding the Fourth Proportional to 19,579,780.40, 29,344,787.40 and 9,460,612.40

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Solution

The fourth proportional to 19,579,780.40, 29,344,787.40 and 9,460,612.40 is: 14,178,895.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,579,780.40 : 29,344,787.40 = 9,460,612.40 : x
  2. Step 2: Convert to fraction form
    19,579,780.40/29,344,787.40 = 9,460,612.40/x
  3. Step 3: Cross multiply
    19,579,780.40x = 29,344,787.40 × 9,460,612.40
  4. Step 4: Simplify right side
    19,579,780.40x = 277,619,659,551,803.75
  5. Step 5: Solve for x
    x = 277,619,659,551,803.75/19,579,780.40
  6. Step 6: Final answer
    x = 14,178,895.47

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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.