Home / 43,169,622.20-64,746,138.90-12,878,473.40

Finding the Fourth Proportional to 43,169,622.20, 64,746,138.90 and 12,878,473.40

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Solution

The fourth proportional to 43,169,622.20, 64,746,138.90 and 12,878,473.40 is: 19,315,235.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,169,622.20 : 64,746,138.90 = 12,878,473.40 : x
  2. Step 2: Convert to fraction form
    43,169,622.20/64,746,138.90 = 12,878,473.40/x
  3. Step 3: Cross multiply
    43,169,622.20x = 64,746,138.90 × 12,878,473.40
  4. Step 4: Simplify right side
    43,169,622.20x = 833,831,427,576,355.25
  5. Step 5: Solve for x
    x = 833,831,427,576,355.25/43,169,622.20
  6. Step 6: Final answer
    x = 19,315,235.69

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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.