Home / 11,907,590.59-16,441,731-9,149,931.20

Finding the Fourth Proportional to 11,907,590.59, 16,441,731 and 9,149,931.20

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Solution

The fourth proportional to 11,907,590.59, 16,441,731 and 9,149,931.20 is: 12,634,017.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,907,590.59 : 16,441,731 = 9,149,931.20 : x
  2. Step 2: Convert to fraction form
    11,907,590.59/16,441,731 = 9,149,931.20/x
  3. Step 3: Cross multiply
    11,907,590.59x = 16,441,731 × 9,149,931.20
  4. Step 4: Simplify right side
    11,907,590.59x = 150,440,707,458,907.19
  5. Step 5: Solve for x
    x = 150,440,707,458,907.19/11,907,590.59
  6. Step 6: Final answer
    x = 12,634,017.46

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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.