Home / 28,478,042.37-42,719,056.46-14,097,248.91

Finding the Fourth Proportional to 28,478,042.37, 42,719,056.46 and 14,097,248.91

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Solution

The fourth proportional to 28,478,042.37, 42,719,056.46 and 14,097,248.91 is: 21,146,859.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,478,042.37 : 42,719,056.46 = 14,097,248.91 : x
  2. Step 2: Convert to fraction form
    28,478,042.37/42,719,056.46 = 14,097,248.91/x
  3. Step 3: Cross multiply
    28,478,042.37x = 42,719,056.46 × 14,097,248.91
  4. Step 4: Simplify right side
    28,478,042.37x = 602,221,172,099,341.88
  5. Step 5: Solve for x
    x = 602,221,172,099,341.88/28,478,042.37
  6. Step 6: Final answer
    x = 21,146,859.90

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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.