Home / 18,745,036.50-25,860,756.69-11,771,612.58

Finding the Fourth Proportional to 18,745,036.50, 25,860,756.69 and 11,771,612.58

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Solution

The fourth proportional to 18,745,036.50, 25,860,756.69 and 11,771,612.58 is: 16,240,182.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,745,036.50 : 25,860,756.69 = 11,771,612.58 : x
  2. Step 2: Convert to fraction form
    18,745,036.50/25,860,756.69 = 11,771,612.58/x
  3. Step 3: Cross multiply
    18,745,036.50x = 25,860,756.69 × 11,771,612.58
  4. Step 4: Simplify right side
    18,745,036.50x = 304,422,808,780,323.19
  5. Step 5: Solve for x
    x = 304,422,808,780,323.19/18,745,036.50
  6. Step 6: Final answer
    x = 16,240,182.24

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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.