Home / 14,289,305.60-21,427,737.60-4,700,979.20

Finding the Fourth Proportional to 14,289,305.60, 21,427,737.60 and 4,700,979.20

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Solution

The fourth proportional to 14,289,305.60, 21,427,737.60 and 4,700,979.20 is: 7,049,422.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,289,305.60 : 21,427,737.60 = 4,700,979.20 : x
  2. Step 2: Convert to fraction form
    14,289,305.60/21,427,737.60 = 4,700,979.20/x
  3. Step 3: Cross multiply
    14,289,305.60x = 21,427,737.60 × 4,700,979.20
  4. Step 4: Simplify right side
    14,289,305.60x = 100,731,348,760,657.94
  5. Step 5: Solve for x
    x = 100,731,348,760,657.94/14,289,305.60
  6. Step 6: Final answer
    x = 7,049,422.24

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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.