Home / 20,956,349.86-31,434,526.23-5,810,281.78

Finding the Fourth Proportional to 20,956,349.86, 31,434,526.23 and 5,810,281.78

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Solution

The fourth proportional to 20,956,349.86, 31,434,526.23 and 5,810,281.78 is: 8,715,423.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,956,349.86 : 31,434,526.23 = 5,810,281.78 : x
  2. Step 2: Convert to fraction form
    20,956,349.86/31,434,526.23 = 5,810,281.78/x
  3. Step 3: Cross multiply
    20,956,349.86x = 31,434,526.23 × 5,810,281.78
  4. Step 4: Simplify right side
    20,956,349.86x = 182,643,455,017,101.09
  5. Step 5: Solve for x
    x = 182,643,455,017,101.09/20,956,349.86
  6. Step 6: Final answer
    x = 8,715,423.07

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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.