Home / 20,084,880.48-30,130,158.18-6,434,833.92

Finding the Fourth Proportional to 20,084,880.48, 30,130,158.18 and 6,434,833.92

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Solution

The fourth proportional to 20,084,880.48, 30,130,158.18 and 6,434,833.92 is: 9,653,159.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,084,880.48 : 30,130,158.18 = 6,434,833.92 : x
  2. Step 2: Convert to fraction form
    20,084,880.48/30,130,158.18 = 6,434,833.92/x
  3. Step 3: Cross multiply
    20,084,880.48x = 30,130,158.18 × 6,434,833.92
  4. Step 4: Simplify right side
    20,084,880.48x = 193,882,563,871,629.47
  5. Step 5: Solve for x
    x = 193,882,563,871,629.47/20,084,880.48
  6. Step 6: Final answer
    x = 9,653,159.95

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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.