Home / 14,262,007.80-21,393,011.70-13,565,278.20

Finding the Fourth Proportional to 14,262,007.80, 21,393,011.70 and 13,565,278.20

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Solution

The fourth proportional to 14,262,007.80, 21,393,011.70 and 13,565,278.20 is: 20,347,917.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,262,007.80 : 21,393,011.70 = 13,565,278.20 : x
  2. Step 2: Convert to fraction form
    14,262,007.80/21,393,011.70 = 13,565,278.20/x
  3. Step 3: Cross multiply
    14,262,007.80x = 21,393,011.70 × 13,565,278.20
  4. Step 4: Simplify right side
    14,262,007.80x = 290,202,155,246,354.94
  5. Step 5: Solve for x
    x = 290,202,155,246,354.94/14,262,007.80
  6. Step 6: Final answer
    x = 20,347,917.30

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1.5x scale

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.