Home / 13,072,670.40-19,588,010.40-12,316,843.20

Finding the Fourth Proportional to 13,072,670.40, 19,588,010.40 and 12,316,843.20

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Solution

The fourth proportional to 13,072,670.40, 19,588,010.40 and 12,316,843.20 is: 18,455,483.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,072,670.40 : 19,588,010.40 = 12,316,843.20 : x
  2. Step 2: Convert to fraction form
    13,072,670.40/19,588,010.40 = 12,316,843.20/x
  3. Step 3: Cross multiply
    13,072,670.40x = 19,588,010.40 × 12,316,843.20
  4. Step 4: Simplify right side
    13,072,670.40x = 241,262,452,696,769.25
  5. Step 5: Solve for x
    x = 241,262,452,696,769.25/13,072,670.40
  6. Step 6: Final answer
    x = 18,455,483.49

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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.