Home / 13,865,583.18-19,133,929.95-7,586,079.69

Finding the Fourth Proportional to 13,865,583.18, 19,133,929.95 and 7,586,079.69

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Solution

The fourth proportional to 13,865,583.18, 19,133,929.95 and 7,586,079.69 is: 10,468,475.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,865,583.18 : 19,133,929.95 = 7,586,079.69 : x
  2. Step 2: Convert to fraction form
    13,865,583.18/19,133,929.95 = 7,586,079.69/x
  3. Step 3: Cross multiply
    13,865,583.18x = 19,133,929.95 × 7,586,079.69
  4. Step 4: Simplify right side
    13,865,583.18x = 145,151,517,383,577.72
  5. Step 5: Solve for x
    x = 145,151,517,383,577.72/13,865,583.18
  6. Step 6: Final answer
    x = 10,468,475.47

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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.