Home / 10,303,387.60-15,455,081.40-9,311,364.40

Finding the Fourth Proportional to 10,303,387.60, 15,455,081.40 and 9,311,364.40

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Solution

The fourth proportional to 10,303,387.60, 15,455,081.40 and 9,311,364.40 is: 13,967,046.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,303,387.60 : 15,455,081.40 = 9,311,364.40 : x
  2. Step 2: Convert to fraction form
    10,303,387.60/15,455,081.40 = 9,311,364.40/x
  3. Step 3: Cross multiply
    10,303,387.60x = 15,455,081.40 × 9,311,364.40
  4. Step 4: Simplify right side
    10,303,387.60x = 143,907,894,747,062.16
  5. Step 5: Solve for x
    x = 143,907,894,747,062.16/10,303,387.60
  6. Step 6: Final answer
    x = 13,967,046.60

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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.