Home / 8,333,627.65-12,562,903.66-7,778,105.71

Finding the Fourth Proportional to 8,333,627.65, 12,562,903.66 and 7,778,105.71

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Solution

The fourth proportional to 8,333,627.65, 12,562,903.66 and 7,778,105.71 is: 11,725,457.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,333,627.65 : 12,562,903.66 = 7,778,105.71 : x
  2. Step 2: Convert to fraction form
    8,333,627.65/12,562,903.66 = 7,778,105.71/x
  3. Step 3: Cross multiply
    8,333,627.65x = 12,562,903.66 × 7,778,105.71
  4. Step 4: Simplify right side
    8,333,627.65x = 97,715,592,590,320.84
  5. Step 5: Solve for x
    x = 97,715,592,590,320.84/8,333,627.65
  6. Step 6: Final answer
    x = 11,725,457.00

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.