Home / 6,528,176.40-9,786,043.80-5,088,061.20

Finding the Fourth Proportional to 6,528,176.40, 9,786,043.80 and 5,088,061.20

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Solution

The fourth proportional to 6,528,176.40, 9,786,043.80 and 5,088,061.20 is: 7,627,243.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,528,176.40 : 9,786,043.80 = 5,088,061.20 : x
  2. Step 2: Convert to fraction form
    6,528,176.40/9,786,043.80 = 5,088,061.20/x
  3. Step 3: Cross multiply
    6,528,176.40x = 9,786,043.80 × 5,088,061.20
  4. Step 4: Simplify right side
    6,528,176.40x = 49,791,989,760,280.56
  5. Step 5: Solve for x
    x = 49,791,989,760,280.56/6,528,176.40
  6. Step 6: Final answer
    x = 7,627,243.31

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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.