Home / 13,278,701.10-19,918,051.65-13,194,720.30

Finding the Fourth Proportional to 13,278,701.10, 19,918,051.65 and 13,194,720.30

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Solution

The fourth proportional to 13,278,701.10, 19,918,051.65 and 13,194,720.30 is: 19,792,080.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,278,701.10 : 19,918,051.65 = 13,194,720.30 : x
  2. Step 2: Convert to fraction form
    13,278,701.10/19,918,051.65 = 13,194,720.30/x
  3. Step 3: Cross multiply
    13,278,701.10x = 19,918,051.65 × 13,194,720.30
  4. Step 4: Simplify right side
    13,278,701.10x = 262,813,120,442,703.50
  5. Step 5: Solve for x
    x = 262,813,120,442,703.50/13,278,701.10
  6. Step 6: Final answer
    x = 19,792,080.45

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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.