Home / 13,153,981.44-18,154,804.80-7,649,059.20

Finding the Fourth Proportional to 13,153,981.44, 18,154,804.80 and 7,649,059.20

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Solution

The fourth proportional to 13,153,981.44, 18,154,804.80 and 7,649,059.20 is: 10,557,045.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,153,981.44 : 18,154,804.80 = 7,649,059.20 : x
  2. Step 2: Convert to fraction form
    13,153,981.44/18,154,804.80 = 7,649,059.20/x
  3. Step 3: Cross multiply
    13,153,981.44x = 18,154,804.80 × 7,649,059.20
  4. Step 4: Simplify right side
    13,153,981.44x = 138,867,176,679,644.17
  5. Step 5: Solve for x
    x = 138,867,176,679,644.17/13,153,981.44
  6. Step 6: Final answer
    x = 10,557,045.20

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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.