Home / 20,980,232.04-31,475,948.22-7,518,420.84

Finding the Fourth Proportional to 20,980,232.04, 31,475,948.22 and 7,518,420.84

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Solution

The fourth proportional to 20,980,232.04, 31,475,948.22 and 7,518,420.84 is: 11,279,638.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,980,232.04 : 31,475,948.22 = 7,518,420.84 : x
  2. Step 2: Convert to fraction form
    20,980,232.04/31,475,948.22 = 7,518,420.84/x
  3. Step 3: Cross multiply
    20,980,232.04x = 31,475,948.22 × 7,518,420.84
  4. Step 4: Simplify right side
    20,980,232.04x = 236,649,425,056,008.91
  5. Step 5: Solve for x
    x = 236,649,425,056,008.91/20,980,232.04
  6. Step 6: Final answer
    x = 11,279,638.12

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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.