Home / 18,470,968.76-25,487,728.70-10,209,915.30

Finding the Fourth Proportional to 18,470,968.76, 25,487,728.70 and 10,209,915.30

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Solution

The fourth proportional to 18,470,968.76, 25,487,728.70 and 10,209,915.30 is: 14,088,462.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,470,968.76 : 25,487,728.70 = 10,209,915.30 : x
  2. Step 2: Convert to fraction form
    18,470,968.76/25,487,728.70 = 10,209,915.30/x
  3. Step 3: Cross multiply
    18,470,968.76x = 25,487,728.70 × 10,209,915.30
  4. Step 4: Simplify right side
    18,470,968.76x = 260,227,551,216,379.12
  5. Step 5: Solve for x
    x = 260,227,551,216,379.12/18,470,968.76
  6. Step 6: Final answer
    x = 14,088,462.53

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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.