Home / 28,528,014.89-39,356,113.11-19,232,189.16

Finding the Fourth Proportional to 28,528,014.89, 39,356,113.11 and 19,232,189.16

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Solution

The fourth proportional to 28,528,014.89, 39,356,113.11 and 19,232,189.16 is: 26,531,962.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,528,014.89 : 39,356,113.11 = 19,232,189.16 : x
  2. Step 2: Convert to fraction form
    28,528,014.89/39,356,113.11 = 19,232,189.16/x
  3. Step 3: Cross multiply
    28,528,014.89x = 39,356,113.11 × 19,232,189.16
  4. Step 4: Simplify right side
    28,528,014.89x = 756,904,211,987,121.25
  5. Step 5: Solve for x
    x = 756,904,211,987,121.25/28,528,014.89
  6. Step 6: Final answer
    x = 26,531,962.18

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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.