Home / 13,743,490.32-18,966,050.64-7,631,918.64

Finding the Fourth Proportional to 13,743,490.32, 18,966,050.64 and 7,631,918.64

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Solution

The fourth proportional to 13,743,490.32, 18,966,050.64 and 7,631,918.64 is: 10,532,066.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,743,490.32 : 18,966,050.64 = 7,631,918.64 : x
  2. Step 2: Convert to fraction form
    13,743,490.32/18,966,050.64 = 7,631,918.64/x
  3. Step 3: Cross multiply
    13,743,490.32x = 18,966,050.64 × 7,631,918.64
  4. Step 4: Simplify right side
    13,743,490.32x = 144,747,355,406,599.94
  5. Step 5: Solve for x
    x = 144,747,355,406,599.94/13,743,490.32
  6. Step 6: Final answer
    x = 10,532,066.60

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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.