Home / 9,128,860.32-12,598,220.88-5,054,479.68

Finding the Fourth Proportional to 9,128,860.32, 12,598,220.88 and 5,054,479.68

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Solution

The fourth proportional to 9,128,860.32, 12,598,220.88 and 5,054,479.68 is: 6,975,399.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,128,860.32 : 12,598,220.88 = 5,054,479.68 : x
  2. Step 2: Convert to fraction form
    9,128,860.32/12,598,220.88 = 5,054,479.68/x
  3. Step 3: Cross multiply
    9,128,860.32x = 12,598,220.88 × 5,054,479.68
  4. Step 4: Simplify right side
    9,128,860.32x = 63,677,451,442,111.72
  5. Step 5: Solve for x
    x = 63,677,451,442,111.72/9,128,860.32
  6. Step 6: Final answer
    x = 6,975,399.91

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