Home / 25,428,598.80-38,142,897.84-7,477,702.80

Finding the Fourth Proportional to 25,428,598.80, 38,142,897.84 and 7,477,702.80

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Solution

The fourth proportional to 25,428,598.80, 38,142,897.84 and 7,477,702.80 is: 11,216,554.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,428,598.80 : 38,142,897.84 = 7,477,702.80 : x
  2. Step 2: Convert to fraction form
    25,428,598.80/38,142,897.84 = 7,477,702.80/x
  3. Step 3: Cross multiply
    25,428,598.80x = 38,142,897.84 × 7,477,702.80
  4. Step 4: Simplify right side
    25,428,598.80x = 285,221,253,978,282
  5. Step 5: Solve for x
    x = 285,221,253,978,282/25,428,598.80
  6. Step 6: Final answer
    x = 11,216,554.09

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1.5x scale

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.