Home / 30,831,929.20-42,544,959-17,078,324.08

Finding the Fourth Proportional to 30,831,929.20, 42,544,959 and 17,078,324.08

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Solution

The fourth proportional to 30,831,929.20, 42,544,959 and 17,078,324.08 is: 23,566,368.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,831,929.20 : 42,544,959 = 17,078,324.08 : x
  2. Step 2: Convert to fraction form
    30,831,929.20/42,544,959 = 17,078,324.08/x
  3. Step 3: Cross multiply
    30,831,929.20x = 42,544,959 × 17,078,324.08
  4. Step 4: Simplify right side
    30,831,929.20x = 726,596,597,772,312.62
  5. Step 5: Solve for x
    x = 726,596,597,772,312.62/30,831,929.20
  6. Step 6: Final answer
    x = 23,566,368.26

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.