Home / 9,865,384.88-13,601,842.80-7,545,123.68

Finding the Fourth Proportional to 9,865,384.88, 13,601,842.80 and 7,545,123.68

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Solution

The fourth proportional to 9,865,384.88, 13,601,842.80 and 7,545,123.68 is: 10,402,795.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,865,384.88 : 13,601,842.80 = 7,545,123.68 : x
  2. Step 2: Convert to fraction form
    9,865,384.88/13,601,842.80 = 7,545,123.68/x
  3. Step 3: Cross multiply
    9,865,384.88x = 13,601,842.80 × 7,545,123.68
  4. Step 4: Simplify right side
    9,865,384.88x = 102,627,586,201,917.50
  5. Step 5: Solve for x
    x = 102,627,586,201,917.50/9,865,384.88
  6. Step 6: Final answer
    x = 10,402,795.98

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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.