Home / 15,217,174.64-20,997,459.36-9,253,539.35

Finding the Fourth Proportional to 15,217,174.64, 20,997,459.36 and 9,253,539.35

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Solution

The fourth proportional to 15,217,174.64, 20,997,459.36 and 9,253,539.35 is: 12,768,521.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,217,174.64 : 20,997,459.36 = 9,253,539.35 : x
  2. Step 2: Convert to fraction form
    15,217,174.64/20,997,459.36 = 9,253,539.35/x
  3. Step 3: Cross multiply
    15,217,174.64x = 20,997,459.36 × 9,253,539.35
  4. Step 4: Simplify right side
    15,217,174.64x = 194,300,816,411,539
  5. Step 5: Solve for x
    x = 194,300,816,411,539/15,217,174.64
  6. Step 6: Final answer
    x = 12,768,521.16

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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.