Home / 18,791,035.12-25,931,187.42-11,056,578.40

Finding the Fourth Proportional to 18,791,035.12, 25,931,187.42 and 11,056,578.40

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Solution

The fourth proportional to 18,791,035.12, 25,931,187.42 and 11,056,578.40 is: 15,257,818.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,791,035.12 : 25,931,187.42 = 11,056,578.40 : x
  2. Step 2: Convert to fraction form
    18,791,035.12/25,931,187.42 = 11,056,578.40/x
  3. Step 3: Cross multiply
    18,791,035.12x = 25,931,187.42 × 11,056,578.40
  4. Step 4: Simplify right side
    18,791,035.12x = 286,710,206,714,323.75
  5. Step 5: Solve for x
    x = 286,710,206,714,323.75/18,791,035.12
  6. Step 6: Final answer
    x = 15,257,818.68

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.