Home / 9,220,881.18-12,724,833.64-5,090,920.31

Finding the Fourth Proportional to 9,220,881.18, 12,724,833.64 and 5,090,920.31

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Solution

The fourth proportional to 9,220,881.18, 12,724,833.64 and 5,090,920.31 is: 7,025,479.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,220,881.18 : 12,724,833.64 = 5,090,920.31 : x
  2. Step 2: Convert to fraction form
    9,220,881.18/12,724,833.64 = 5,090,920.31/x
  3. Step 3: Cross multiply
    9,220,881.18x = 12,724,833.64 × 5,090,920.31
  4. Step 4: Simplify right side
    9,220,881.18x = 64,781,114,038,332.01
  5. Step 5: Solve for x
    x = 64,781,114,038,332.01/9,220,881.18
  6. Step 6: Final answer
    x = 7,025,479.75

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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.