Home / 12,960,073.60-19,440,110.40-12,462,409.60

Finding the Fourth Proportional to 12,960,073.60, 19,440,110.40 and 12,462,409.60

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Solution

The fourth proportional to 12,960,073.60, 19,440,110.40 and 12,462,409.60 is: 18,693,614.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,960,073.60 : 19,440,110.40 = 12,462,409.60 : x
  2. Step 2: Convert to fraction form
    12,960,073.60/19,440,110.40 = 12,462,409.60/x
  3. Step 3: Cross multiply
    12,960,073.60x = 19,440,110.40 × 12,462,409.60
  4. Step 4: Simplify right side
    12,960,073.60x = 242,270,618,474,019.81
  5. Step 5: Solve for x
    x = 242,270,618,474,019.81/12,960,073.60
  6. Step 6: Final answer
    x = 18,693,614.40

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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.