Home / 42,254,712.54-63,391,162.02-13,107,970.62

Finding the Fourth Proportional to 42,254,712.54, 63,391,162.02 and 13,107,970.62

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Solution

The fourth proportional to 42,254,712.54, 63,391,162.02 and 13,107,970.62 is: 19,664,776.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,254,712.54 : 63,391,162.02 = 13,107,970.62 : x
  2. Step 2: Convert to fraction form
    42,254,712.54/63,391,162.02 = 13,107,970.62/x
  3. Step 3: Cross multiply
    42,254,712.54x = 63,391,162.02 × 13,107,970.62
  4. Step 4: Simplify right side
    42,254,712.54x = 830,929,489,325,819.88
  5. Step 5: Solve for x
    x = 830,929,489,325,819.88/42,254,712.54
  6. Step 6: Final answer
    x = 19,664,776.76

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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.