Home / 15,377,457.60-21,220,517.92-8,501,762.88

Finding the Fourth Proportional to 15,377,457.60, 21,220,517.92 and 8,501,762.88

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Solution

The fourth proportional to 15,377,457.60, 21,220,517.92 and 8,501,762.88 is: 11,732,226.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,377,457.60 : 21,220,517.92 = 8,501,762.88 : x
  2. Step 2: Convert to fraction form
    15,377,457.60/21,220,517.92 = 8,501,762.88/x
  3. Step 3: Cross multiply
    15,377,457.60x = 21,220,517.92 × 8,501,762.88
  4. Step 4: Simplify right side
    15,377,457.60x = 180,411,811,546,630.84
  5. Step 5: Solve for x
    x = 180,411,811,546,630.84/15,377,457.60
  6. Step 6: Final answer
    x = 11,732,226.24

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1.5x scale

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.