Home / 10,437,323.55-15,656,477.40-8,612,303.49

Finding the Fourth Proportional to 10,437,323.55, 15,656,477.40 and 8,612,303.49

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Solution

The fourth proportional to 10,437,323.55, 15,656,477.40 and 8,612,303.49 is: 12,918,861.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,437,323.55 : 15,656,477.40 = 8,612,303.49 : x
  2. Step 2: Convert to fraction form
    10,437,323.55/15,656,477.40 = 8,612,303.49/x
  3. Step 3: Cross multiply
    10,437,323.55x = 15,656,477.40 × 8,612,303.49
  4. Step 4: Simplify right side
    10,437,323.55x = 134,838,334,874,843.73
  5. Step 5: Solve for x
    x = 134,838,334,874,843.73/10,437,323.55
  6. Step 6: Final answer
    x = 12,918,861.27

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1.5x scale

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.