Home / 10,318,342.32-15,477,549.48-3,129,938.16

Finding the Fourth Proportional to 10,318,342.32, 15,477,549.48 and 3,129,938.16

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Solution

The fourth proportional to 10,318,342.32, 15,477,549.48 and 3,129,938.16 is: 4,694,918.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,318,342.32 : 15,477,549.48 = 3,129,938.16 : x
  2. Step 2: Convert to fraction form
    10,318,342.32/15,477,549.48 = 3,129,938.16/x
  3. Step 3: Cross multiply
    10,318,342.32x = 15,477,549.48 × 3,129,938.16
  4. Step 4: Simplify right side
    10,318,342.32x = 48,443,772,740,740.16
  5. Step 5: Solve for x
    x = 48,443,772,740,740.16/10,318,342.32
  6. Step 6: Final answer
    x = 4,694,918.16

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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.