Home / 15,552,487.20-23,287,906.80-10,978,838.40

Finding the Fourth Proportional to 15,552,487.20, 23,287,906.80 and 10,978,838.40

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Solution

The fourth proportional to 15,552,487.20, 23,287,906.80 and 10,978,838.40 is: 16,439,439.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,552,487.20 : 23,287,906.80 = 10,978,838.40 : x
  2. Step 2: Convert to fraction form
    15,552,487.20/23,287,906.80 = 10,978,838.40/x
  3. Step 3: Cross multiply
    15,552,487.20x = 23,287,906.80 × 10,978,838.40
  4. Step 4: Simplify right side
    15,552,487.20x = 255,674,165,431,461.12
  5. Step 5: Solve for x
    x = 255,674,165,431,461.12/15,552,487.20
  6. Step 6: Final answer
    x = 16,439,439.05

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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.