Home / 19,305,381.60-28,976,734.80-9,731,570.40

Finding the Fourth Proportional to 19,305,381.60, 28,976,734.80 and 9,731,570.40

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Solution

The fourth proportional to 19,305,381.60, 28,976,734.80 and 9,731,570.40 is: 14,606,763.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,305,381.60 : 28,976,734.80 = 9,731,570.40 : x
  2. Step 2: Convert to fraction form
    19,305,381.60/28,976,734.80 = 9,731,570.40/x
  3. Step 3: Cross multiply
    19,305,381.60x = 28,976,734.80 × 9,731,570.40
  4. Step 4: Simplify right side
    19,305,381.60x = 281,989,134,668,329.94
  5. Step 5: Solve for x
    x = 281,989,134,668,329.94/19,305,381.60
  6. Step 6: Final answer
    x = 14,606,763.05

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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.