Home / 19,360,051.40-29,040,077.10-13,313,433.80

Finding the Fourth Proportional to 19,360,051.40, 29,040,077.10 and 13,313,433.80

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Solution

The fourth proportional to 19,360,051.40, 29,040,077.10 and 13,313,433.80 is: 19,970,150.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,360,051.40 : 29,040,077.10 = 13,313,433.80 : x
  2. Step 2: Convert to fraction form
    19,360,051.40/29,040,077.10 = 13,313,433.80/x
  3. Step 3: Cross multiply
    19,360,051.40x = 29,040,077.10 × 13,313,433.80
  4. Step 4: Simplify right side
    19,360,051.40x = 386,623,144,017,746
  5. Step 5: Solve for x
    x = 386,623,144,017,746/19,360,051.40
  6. Step 6: Final answer
    x = 19,970,150.70

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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.