Home / 10,303,387.80-15,455,081.70-9,043,675.80

Finding the Fourth Proportional to 10,303,387.80, 15,455,081.70 and 9,043,675.80

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Solution

The fourth proportional to 10,303,387.80, 15,455,081.70 and 9,043,675.80 is: 13,565,513.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,303,387.80 : 15,455,081.70 = 9,043,675.80 : x
  2. Step 2: Convert to fraction form
    10,303,387.80/15,455,081.70 = 9,043,675.80/x
  3. Step 3: Cross multiply
    10,303,387.80x = 15,455,081.70 × 9,043,675.80
  4. Step 4: Simplify right side
    10,303,387.80x = 139,770,748,357,312.86
  5. Step 5: Solve for x
    x = 139,770,748,357,312.86/10,303,387.80
  6. Step 6: Final answer
    x = 13,565,513.70

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Similar ratio
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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.