Home / 18,021,047.90-24,869,046.89-9,761,110.18

Finding the Fourth Proportional to 18,021,047.90, 24,869,046.89 and 9,761,110.18

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Solution

The fourth proportional to 18,021,047.90, 24,869,046.89 and 9,761,110.18 is: 13,470,332.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,021,047.90 : 24,869,046.89 = 9,761,110.18 : x
  2. Step 2: Convert to fraction form
    18,021,047.90/24,869,046.89 = 9,761,110.18/x
  3. Step 3: Cross multiply
    18,021,047.90x = 24,869,046.89 × 9,761,110.18
  4. Step 4: Simplify right side
    18,021,047.90x = 242,749,506,727,106.50
  5. Step 5: Solve for x
    x = 242,749,506,727,106.50/18,021,047.90
  6. Step 6: Final answer
    x = 13,470,332.48

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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.