Home / 7,685,393.89-10,605,828.17-4,377,686.87

Finding the Fourth Proportional to 7,685,393.89, 10,605,828.17 and 4,377,686.87

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Solution

The fourth proportional to 7,685,393.89, 10,605,828.17 and 4,377,686.87 is: 6,041,199.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,685,393.89 : 10,605,828.17 = 4,377,686.87 : x
  2. Step 2: Convert to fraction form
    7,685,393.89/10,605,828.17 = 4,377,686.87/x
  3. Step 3: Cross multiply
    7,685,393.89x = 10,605,828.17 × 4,377,686.87
  4. Step 4: Simplify right side
    7,685,393.89x = 46,428,994,725,285.12
  5. Step 5: Solve for x
    x = 46,428,994,725,285.12/7,685,393.89
  6. Step 6: Final answer
    x = 6,041,199.11

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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.