Home / 18,872,019.64-28,303,349.10-8,088,097.48

Finding the Fourth Proportional to 18,872,019.64, 28,303,349.10 and 8,088,097.48

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Solution

The fourth proportional to 18,872,019.64, 28,303,349.10 and 8,088,097.48 is: 12,130,140.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,872,019.64 : 28,303,349.10 = 8,088,097.48 : x
  2. Step 2: Convert to fraction form
    18,872,019.64/28,303,349.10 = 8,088,097.48/x
  3. Step 3: Cross multiply
    18,872,019.64x = 28,303,349.10 × 8,088,097.48
  4. Step 4: Simplify right side
    18,872,019.64x = 228,920,246,531,270.28
  5. Step 5: Solve for x
    x = 228,920,246,531,270.28/18,872,019.64
  6. Step 6: Final answer
    x = 12,130,140.33

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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.