Home / 13,142,719.40-19,714,079.10-4,621,948.70

Finding the Fourth Proportional to 13,142,719.40, 19,714,079.10 and 4,621,948.70

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Solution

The fourth proportional to 13,142,719.40, 19,714,079.10 and 4,621,948.70 is: 6,932,923.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,142,719.40 : 19,714,079.10 = 4,621,948.70 : x
  2. Step 2: Convert to fraction form
    13,142,719.40/19,714,079.10 = 4,621,948.70/x
  3. Step 3: Cross multiply
    13,142,719.40x = 19,714,079.10 × 4,621,948.70
  4. Step 4: Simplify right side
    13,142,719.40x = 91,117,462,267,942.19
  5. Step 5: Solve for x
    x = 91,117,462,267,942.19/13,142,719.40
  6. Step 6: Final answer
    x = 6,932,923.05

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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.