Home / 16,785,947.96-25,178,920.53-4,655,411.20

Finding the Fourth Proportional to 16,785,947.96, 25,178,920.53 and 4,655,411.20

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Solution

The fourth proportional to 16,785,947.96, 25,178,920.53 and 4,655,411.20 is: 6,983,116.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,785,947.96 : 25,178,920.53 = 4,655,411.20 : x
  2. Step 2: Convert to fraction form
    16,785,947.96/25,178,920.53 = 4,655,411.20/x
  3. Step 3: Cross multiply
    16,785,947.96x = 25,178,920.53 × 4,655,411.20
  4. Step 4: Simplify right side
    16,785,947.96x = 117,218,228,511,656.36
  5. Step 5: Solve for x
    x = 117,218,228,511,656.36/16,785,947.96
  6. Step 6: Final answer
    x = 6,983,116.40

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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.