Home / 45,117,531.24-67,678,928.52-12,766,727.40

Finding the Fourth Proportional to 45,117,531.24, 67,678,928.52 and 12,766,727.40

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Solution

The fourth proportional to 45,117,531.24, 67,678,928.52 and 12,766,727.40 is: 19,150,835.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,117,531.24 : 67,678,928.52 = 12,766,727.40 : x
  2. Step 2: Convert to fraction form
    45,117,531.24/67,678,928.52 = 12,766,727.40/x
  3. Step 3: Cross multiply
    45,117,531.24x = 67,678,928.52 × 12,766,727.40
  4. Step 4: Simplify right side
    45,117,531.24x = 864,038,431,138,925.38
  5. Step 5: Solve for x
    x = 864,038,431,138,925.38/45,117,531.24
  6. Step 6: Final answer
    x = 19,150,835.77

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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.