Home / 11,018,709.60-16,528,064.40-7,617,487.20

Finding the Fourth Proportional to 11,018,709.60, 16,528,064.40 and 7,617,487.20

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Solution

The fourth proportional to 11,018,709.60, 16,528,064.40 and 7,617,487.20 is: 11,426,230.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,018,709.60 : 16,528,064.40 = 7,617,487.20 : x
  2. Step 2: Convert to fraction form
    11,018,709.60/16,528,064.40 = 7,617,487.20/x
  3. Step 3: Cross multiply
    11,018,709.60x = 16,528,064.40 × 7,617,487.20
  4. Step 4: Simplify right side
    11,018,709.60x = 125,902,319,007,775.69
  5. Step 5: Solve for x
    x = 125,902,319,007,775.69/11,018,709.60
  6. Step 6: Final answer
    x = 11,426,230.80

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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.