Home / 48,553,438.56-72,828,478.09-12,162,142.50

Finding the Fourth Proportional to 48,553,438.56, 72,828,478.09 and 12,162,142.50

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Solution

The fourth proportional to 48,553,438.56, 72,828,478.09 and 12,162,142.50 is: 18,242,792.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,553,438.56 : 72,828,478.09 = 12,162,142.50 : x
  2. Step 2: Convert to fraction form
    48,553,438.56/72,828,478.09 = 12,162,142.50/x
  3. Step 3: Cross multiply
    48,553,438.56x = 72,828,478.09 × 12,162,142.50
  4. Step 4: Simplify right side
    48,553,438.56x = 885,750,328,588,707.88
  5. Step 5: Solve for x
    x = 885,750,328,588,707.88/48,553,438.56
  6. Step 6: Final answer
    x = 18,242,792.99

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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.