Home / 10,435,880.40-15,653,820.60-7,412,571.60

Finding the Fourth Proportional to 10,435,880.40, 15,653,820.60 and 7,412,571.60

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Solution

The fourth proportional to 10,435,880.40, 15,653,820.60 and 7,412,571.60 is: 11,118,857.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,435,880.40 : 15,653,820.60 = 7,412,571.60 : x
  2. Step 2: Convert to fraction form
    10,435,880.40/15,653,820.60 = 7,412,571.60/x
  3. Step 3: Cross multiply
    10,435,880.40x = 15,653,820.60 × 7,412,571.60
  4. Step 4: Simplify right side
    10,435,880.40x = 116,035,066,011,054.95
  5. Step 5: Solve for x
    x = 116,035,066,011,054.95/10,435,880.40
  6. Step 6: Final answer
    x = 11,118,857.40

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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.