Home / 20,457,058.86-28,231,400.34-11,636,281.98

Finding the Fourth Proportional to 20,457,058.86, 28,231,400.34 and 11,636,281.98

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Solution

The fourth proportional to 20,457,058.86, 28,231,400.34 and 11,636,281.98 is: 16,058,444.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,457,058.86 : 28,231,400.34 = 11,636,281.98 : x
  2. Step 2: Convert to fraction form
    20,457,058.86/28,231,400.34 = 11,636,281.98/x
  3. Step 3: Cross multiply
    20,457,058.86x = 28,231,400.34 × 11,636,281.98
  4. Step 4: Simplify right side
    20,457,058.86x = 328,508,535,046,507.88
  5. Step 5: Solve for x
    x = 328,508,535,046,507.88/20,457,058.86
  6. Step 6: Final answer
    x = 16,058,444.05

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.