Home / 14,382,079.60-19,847,137.96-7,855,707.12

Finding the Fourth Proportional to 14,382,079.60, 19,847,137.96 and 7,855,707.12

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Solution

The fourth proportional to 14,382,079.60, 19,847,137.96 and 7,855,707.12 is: 10,840,803.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,382,079.60 : 19,847,137.96 = 7,855,707.12 : x
  2. Step 2: Convert to fraction form
    14,382,079.60/19,847,137.96 = 7,855,707.12/x
  3. Step 3: Cross multiply
    14,382,079.60x = 19,847,137.96 × 7,855,707.12
  4. Step 4: Simplify right side
    14,382,079.60x = 155,913,302,983,994.28
  5. Step 5: Solve for x
    x = 155,913,302,983,994.28/14,382,079.60
  6. Step 6: Final answer
    x = 10,840,803.79

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.