Home / 12,988,880.20-19,483,670.22-5,798,724.04

Finding the Fourth Proportional to 12,988,880.20, 19,483,670.22 and 5,798,724.04

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Solution

The fourth proportional to 12,988,880.20, 19,483,670.22 and 5,798,724.04 is: 8,698,242.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,988,880.20 : 19,483,670.22 = 5,798,724.04 : x
  2. Step 2: Convert to fraction form
    12,988,880.20/19,483,670.22 = 5,798,724.04/x
  3. Step 3: Cross multiply
    12,988,880.20x = 19,483,670.22 × 5,798,724.04
  4. Step 4: Simplify right side
    12,988,880.20x = 112,980,426,892,146.08
  5. Step 5: Solve for x
    x = 112,980,426,892,146.08/12,988,880.20
  6. Step 6: Final answer
    x = 8,698,242.28

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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.