Home / 13,698,760.42-18,897,122.23-8,470,097.18

Finding the Fourth Proportional to 13,698,760.42, 18,897,122.23 and 8,470,097.18

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Solution

The fourth proportional to 13,698,760.42, 18,897,122.23 and 8,470,097.18 is: 11,684,302.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,698,760.42 : 18,897,122.23 = 8,470,097.18 : x
  2. Step 2: Convert to fraction form
    13,698,760.42/18,897,122.23 = 8,470,097.18/x
  3. Step 3: Cross multiply
    13,698,760.42x = 18,897,122.23 × 8,470,097.18
  4. Step 4: Simplify right side
    13,698,760.42x = 160,060,461,822,649.53
  5. Step 5: Solve for x
    x = 160,060,461,822,649.53/13,698,760.42
  6. Step 6: Final answer
    x = 11,684,302.58

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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.