Home / 10,069,660.40-15,069,061.20-9,219,354.80

Finding the Fourth Proportional to 10,069,660.40, 15,069,061.20 and 9,219,354.80

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Solution

The fourth proportional to 10,069,660.40, 15,069,061.20 and 9,219,354.80 is: 13,796,594.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,069,660.40 : 15,069,061.20 = 9,219,354.80 : x
  2. Step 2: Convert to fraction form
    10,069,660.40/15,069,061.20 = 9,219,354.80/x
  3. Step 3: Cross multiply
    10,069,660.40x = 15,069,061.20 × 9,219,354.80
  4. Step 4: Simplify right side
    10,069,660.40x = 138,927,021,705,713.77
  5. Step 5: Solve for x
    x = 138,927,021,705,713.77/10,069,660.40
  6. Step 6: Final answer
    x = 13,796,594.54

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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.