Home / 19,417,376.80-29,126,065.20-13,370,759.20

Finding the Fourth Proportional to 19,417,376.80, 29,126,065.20 and 13,370,759.20

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Solution

The fourth proportional to 19,417,376.80, 29,126,065.20 and 13,370,759.20 is: 20,056,138.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,417,376.80 : 29,126,065.20 = 13,370,759.20 : x
  2. Step 2: Convert to fraction form
    19,417,376.80/29,126,065.20 = 13,370,759.20/x
  3. Step 3: Cross multiply
    19,417,376.80x = 29,126,065.20 × 13,370,759.20
  4. Step 4: Simplify right side
    19,417,376.80x = 389,437,604,232,699.81
  5. Step 5: Solve for x
    x = 389,437,604,232,699.81/19,417,376.80
  6. Step 6: Final answer
    x = 20,056,138.80

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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.