Home / 12,989,218.90-19,486,593.15-4,014,678.10

Finding the Fourth Proportional to 12,989,218.90, 19,486,593.15 and 4,014,678.10

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Solution

The fourth proportional to 12,989,218.90, 19,486,593.15 and 4,014,678.10 is: 6,022,871.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,989,218.90 : 19,486,593.15 = 4,014,678.10 : x
  2. Step 2: Convert to fraction form
    12,989,218.90/19,486,593.15 = 4,014,678.10/x
  3. Step 3: Cross multiply
    12,989,218.90x = 19,486,593.15 × 4,014,678.10
  4. Step 4: Simplify right side
    12,989,218.90x = 78,232,398,762,915.02
  5. Step 5: Solve for x
    x = 78,232,398,762,915.02/12,989,218.90
  6. Step 6: Final answer
    x = 6,022,871.69

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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.