Home / 14,130,055.20-21,200,612.40-5,155,514.40

Finding the Fourth Proportional to 14,130,055.20, 21,200,612.40 and 5,155,514.40

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Solution

The fourth proportional to 14,130,055.20, 21,200,612.40 and 5,155,514.40 is: 7,735,289.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,130,055.20 : 21,200,612.40 = 5,155,514.40 : x
  2. Step 2: Convert to fraction form
    14,130,055.20/21,200,612.40 = 5,155,514.40/x
  3. Step 3: Cross multiply
    14,130,055.20x = 21,200,612.40 × 5,155,514.40
  4. Step 4: Simplify right side
    14,130,055.20x = 109,300,062,517,018.56
  5. Step 5: Solve for x
    x = 109,300,062,517,018.56/14,130,055.20
  6. Step 6: Final answer
    x = 7,735,289.14

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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.