Home / 15,078,889.20-22,618,333.80-9,339,326.40

Finding the Fourth Proportional to 15,078,889.20, 22,618,333.80 and 9,339,326.40

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Solution

The fourth proportional to 15,078,889.20, 22,618,333.80 and 9,339,326.40 is: 14,008,989.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,078,889.20 : 22,618,333.80 = 9,339,326.40 : x
  2. Step 2: Convert to fraction form
    15,078,889.20/22,618,333.80 = 9,339,326.40/x
  3. Step 3: Cross multiply
    15,078,889.20x = 22,618,333.80 × 9,339,326.40
  4. Step 4: Simplify right side
    15,078,889.20x = 211,240,001,982,352.34
  5. Step 5: Solve for x
    x = 211,240,001,982,352.34/15,078,889.20
  6. Step 6: Final answer
    x = 14,008,989.60

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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.