Home / 15,314,129.32-21,132,054.66-9,033,677.80

Finding the Fourth Proportional to 15,314,129.32, 21,132,054.66 and 9,033,677.80

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Solution

The fourth proportional to 15,314,129.32, 21,132,054.66 and 9,033,677.80 is: 12,465,623.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,314,129.32 : 21,132,054.66 = 9,033,677.80 : x
  2. Step 2: Convert to fraction form
    15,314,129.32/21,132,054.66 = 9,033,677.80/x
  3. Step 3: Cross multiply
    15,314,129.32x = 21,132,054.66 × 9,033,677.80
  4. Step 4: Simplify right side
    15,314,129.32x = 190,900,173,050,428.56
  5. Step 5: Solve for x
    x = 190,900,173,050,428.56/15,314,129.32
  6. Step 6: Final answer
    x = 12,465,623.68

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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.