Home / 30,523,008.40-45,784,512.60-7,802,702.80

Finding the Fourth Proportional to 30,523,008.40, 45,784,512.60 and 7,802,702.80

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Solution

The fourth proportional to 30,523,008.40, 45,784,512.60 and 7,802,702.80 is: 11,704,054.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,523,008.40 : 45,784,512.60 = 7,802,702.80 : x
  2. Step 2: Convert to fraction form
    30,523,008.40/45,784,512.60 = 7,802,702.80/x
  3. Step 3: Cross multiply
    30,523,008.40x = 45,784,512.60 × 7,802,702.80
  4. Step 4: Simplify right side
    30,523,008.40x = 357,242,944,660,655.31
  5. Step 5: Solve for x
    x = 357,242,944,660,655.31/30,523,008.40
  6. Step 6: Final answer
    x = 11,704,054.20

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.