Home / 17,607,747.60-26,411,621.40-12,128,000.40

Finding the Fourth Proportional to 17,607,747.60, 26,411,621.40 and 12,128,000.40

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Solution

The fourth proportional to 17,607,747.60, 26,411,621.40 and 12,128,000.40 is: 18,192,000.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,607,747.60 : 26,411,621.40 = 12,128,000.40 : x
  2. Step 2: Convert to fraction form
    17,607,747.60/26,411,621.40 = 12,128,000.40/x
  3. Step 3: Cross multiply
    17,607,747.60x = 26,411,621.40 × 12,128,000.40
  4. Step 4: Simplify right side
    17,607,747.60x = 320,320,154,903,848.56
  5. Step 5: Solve for x
    x = 320,320,154,903,848.56/17,607,747.60
  6. Step 6: Final answer
    x = 18,192,000.60

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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.