Home / 10,900,970.40-16,351,455.60-8,775,206.40

Finding the Fourth Proportional to 10,900,970.40, 16,351,455.60 and 8,775,206.40

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Solution

The fourth proportional to 10,900,970.40, 16,351,455.60 and 8,775,206.40 is: 13,162,809.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,900,970.40 : 16,351,455.60 = 8,775,206.40 : x
  2. Step 2: Convert to fraction form
    10,900,970.40/16,351,455.60 = 8,775,206.40/x
  3. Step 3: Cross multiply
    10,900,970.40x = 16,351,455.60 × 8,775,206.40
  4. Step 4: Simplify right side
    10,900,970.40x = 143,487,397,830,435.84
  5. Step 5: Solve for x
    x = 143,487,397,830,435.84/10,900,970.40
  6. Step 6: Final answer
    x = 13,162,809.60

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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.