Home / 42,902,714.88-64,344,993.48-14,142,013.74

Finding the Fourth Proportional to 42,902,714.88, 64,344,993.48 and 14,142,013.74

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Solution

The fourth proportional to 42,902,714.88, 64,344,993.48 and 14,142,013.74 is: 21,210,027.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,902,714.88 : 64,344,993.48 = 14,142,013.74 : x
  2. Step 2: Convert to fraction form
    42,902,714.88/64,344,993.48 = 14,142,013.74/x
  3. Step 3: Cross multiply
    42,902,714.88x = 64,344,993.48 × 14,142,013.74
  4. Step 4: Simplify right side
    42,902,714.88x = 909,967,781,894,370.38
  5. Step 5: Solve for x
    x = 909,967,781,894,370.38/42,902,714.88
  6. Step 6: Final answer
    x = 21,210,027.95

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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.