Home / 5,417,851.40-8,128,130.13-3,823,528.40

Finding the Fourth Proportional to 5,417,851.40, 8,128,130.13 and 3,823,528.40

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Solution

The fourth proportional to 5,417,851.40, 8,128,130.13 and 3,823,528.40 is: 5,736,247.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,417,851.40 : 8,128,130.13 = 3,823,528.40 : x
  2. Step 2: Convert to fraction form
    5,417,851.40/8,128,130.13 = 3,823,528.40/x
  3. Step 3: Cross multiply
    5,417,851.40x = 8,128,130.13 × 3,823,528.40
  4. Step 4: Simplify right side
    5,417,851.40x = 31,078,136,350,310.04
  5. Step 5: Solve for x
    x = 31,078,136,350,310.04/5,417,851.40
  6. Step 6: Final answer
    x = 5,736,247.47

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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.