Home / 15,350,419.40-22,995,302.70-7,782,816.20

Finding the Fourth Proportional to 15,350,419.40, 22,995,302.70 and 7,782,816.20

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Solution

The fourth proportional to 15,350,419.40, 22,995,302.70 and 7,782,816.20 is: 11,658,848.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,350,419.40 : 22,995,302.70 = 7,782,816.20 : x
  2. Step 2: Convert to fraction form
    15,350,419.40/22,995,302.70 = 7,782,816.20/x
  3. Step 3: Cross multiply
    15,350,419.40x = 22,995,302.70 × 7,782,816.20
  4. Step 4: Simplify right side
    15,350,419.40x = 178,968,214,377,463.75
  5. Step 5: Solve for x
    x = 178,968,214,377,463.75/15,350,419.40
  6. Step 6: Final answer
    x = 11,658,848.51

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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.