Home / 22,478,061.90-31,019,724.87-12,164,784.90

Finding the Fourth Proportional to 22,478,061.90, 31,019,724.87 and 12,164,784.90

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Solution

The fourth proportional to 22,478,061.90, 31,019,724.87 and 12,164,784.90 is: 16,787,402.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,478,061.90 : 31,019,724.87 = 12,164,784.90 : x
  2. Step 2: Convert to fraction form
    22,478,061.90/31,019,724.87 = 12,164,784.90/x
  3. Step 3: Cross multiply
    22,478,061.90x = 31,019,724.87 × 12,164,784.90
  4. Step 4: Simplify right side
    22,478,061.90x = 377,348,280,700,730.50
  5. Step 5: Solve for x
    x = 377,348,280,700,730.50/22,478,061.90
  6. Step 6: Final answer
    x = 16,787,402.86

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.