Home / 42,710,108.68-64,076,083.44-12,417,971.68

Finding the Fourth Proportional to 42,710,108.68, 64,076,083.44 and 12,417,971.68

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Solution

The fourth proportional to 42,710,108.68, 64,076,083.44 and 12,417,971.68 is: 18,630,132.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,710,108.68 : 64,076,083.44 = 12,417,971.68 : x
  2. Step 2: Convert to fraction form
    42,710,108.68/64,076,083.44 = 12,417,971.68/x
  3. Step 3: Cross multiply
    42,710,108.68x = 64,076,083.44 × 12,417,971.68
  4. Step 4: Simplify right side
    42,710,108.68x = 795,694,989,523,236.88
  5. Step 5: Solve for x
    x = 795,694,989,523,236.88/42,710,108.68
  6. Step 6: Final answer
    x = 18,630,132.63

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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.