Home / 13,154,897.21-18,153,830.97-7,353,923.45

Finding the Fourth Proportional to 13,154,897.21, 18,153,830.97 and 7,353,923.45

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Solution

The fourth proportional to 13,154,897.21, 18,153,830.97 and 7,353,923.45 is: 10,148,455.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,154,897.21 : 18,153,830.97 = 7,353,923.45 : x
  2. Step 2: Convert to fraction form
    13,154,897.21/18,153,830.97 = 7,353,923.45/x
  3. Step 3: Cross multiply
    13,154,897.21x = 18,153,830.97 × 7,353,923.45
  4. Step 4: Simplify right side
    13,154,897.21x = 133,501,883,186,850.09
  5. Step 5: Solve for x
    x = 133,501,883,186,850.09/13,154,897.21
  6. Step 6: Final answer
    x = 10,148,455.07

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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.