Home / 7,439,479.75-10,266,476.80-4,176,300.79

Finding the Fourth Proportional to 7,439,479.75, 10,266,476.80 and 4,176,300.79

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Solution

The fourth proportional to 7,439,479.75, 10,266,476.80 and 4,176,300.79 is: 5,763,292.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,439,479.75 : 10,266,476.80 = 4,176,300.79 : x
  2. Step 2: Convert to fraction form
    7,439,479.75/10,266,476.80 = 4,176,300.79/x
  3. Step 3: Cross multiply
    7,439,479.75x = 10,266,476.80 × 4,176,300.79
  4. Step 4: Simplify right side
    7,439,479.75x = 42,875,895,185,582.11
  5. Step 5: Solve for x
    x = 42,875,895,185,582.11/7,439,479.75
  6. Step 6: Final answer
    x = 5,763,292.14

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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.