Home / 12,502,440.60-18,759,881.70-7,115,227.80

Finding the Fourth Proportional to 12,502,440.60, 18,759,881.70 and 7,115,227.80

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Solution

The fourth proportional to 12,502,440.60, 18,759,881.70 and 7,115,227.80 is: 10,676,382.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,502,440.60 : 18,759,881.70 = 7,115,227.80 : x
  2. Step 2: Convert to fraction form
    12,502,440.60/18,759,881.70 = 7,115,227.80/x
  3. Step 3: Cross multiply
    12,502,440.60x = 18,759,881.70 × 7,115,227.80
  4. Step 4: Simplify right side
    12,502,440.60x = 133,480,831,796,551.25
  5. Step 5: Solve for x
    x = 133,480,831,796,551.25/12,502,440.60
  6. Step 6: Final answer
    x = 10,676,382.00

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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.