Home / 10,643,138.40-15,964,707.60-2,664,962.40

Finding the Fourth Proportional to 10,643,138.40, 15,964,707.60 and 2,664,962.40

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Solution

The fourth proportional to 10,643,138.40, 15,964,707.60 and 2,664,962.40 is: 3,997,443.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,643,138.40 : 15,964,707.60 = 2,664,962.40 : x
  2. Step 2: Convert to fraction form
    10,643,138.40/15,964,707.60 = 2,664,962.40/x
  3. Step 3: Cross multiply
    10,643,138.40x = 15,964,707.60 × 2,664,962.40
  4. Step 4: Simplify right side
    10,643,138.40x = 42,545,345,480,994.23
  5. Step 5: Solve for x
    x = 42,545,345,480,994.23/10,643,138.40
  6. Step 6: Final answer
    x = 3,997,443.60

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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.