Home / 13,260,671.40-19,891,007.10-4,741,285.80

Finding the Fourth Proportional to 13,260,671.40, 19,891,007.10 and 4,741,285.80

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Solution

The fourth proportional to 13,260,671.40, 19,891,007.10 and 4,741,285.80 is: 7,111,928.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,260,671.40 : 19,891,007.10 = 4,741,285.80 : x
  2. Step 2: Convert to fraction form
    13,260,671.40/19,891,007.10 = 4,741,285.80/x
  3. Step 3: Cross multiply
    13,260,671.40x = 19,891,007.10 × 4,741,285.80
  4. Step 4: Simplify right side
    13,260,671.40x = 94,308,949,510,929.19
  5. Step 5: Solve for x
    x = 94,308,949,510,929.19/13,260,671.40
  6. Step 6: Final answer
    x = 7,111,928.70

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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.